Start 1.16.0 development cycle (#4803)

diff --git a/android-interop-testing/app/build.gradle b/android-interop-testing/app/build.gradle
index ac9e222..37238ba 100644
--- a/android-interop-testing/app/build.gradle
+++ b/android-interop-testing/app/build.gradle
@@ -42,7 +42,7 @@
     protoc { artifact = 'com.google.protobuf:protoc:3.5.1-1' }
     plugins {
         javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" }
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -71,11 +71,11 @@
     implementation 'junit:junit:4.12'
 
     // You need to build grpc-java to obtain the grpc libraries below.
-    implementation 'io.grpc:grpc-auth:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-okhttp:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-testing:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-auth:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-testing:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 
     // workaround for https://github.com/google/protobuf/issues/1889
     protobuf 'com.google.protobuf:protobuf-java:3.0.2'
diff --git a/android/build.gradle b/android/build.gradle
index e42ef9f..d3303c4 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.android.library'
 
 group = "io.grpc"
-version = "1.15.0-SNAPSHOT" // CURRENT_GRPC_VERSION
+version = "1.16.0-SNAPSHOT" // CURRENT_GRPC_VERSION
 description = 'gRPC: Android'
 
 buildscript {
@@ -41,9 +41,9 @@
 }
 
 dependencies {
-    implementation 'io.grpc:grpc-core:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-core:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 
-    testImplementation 'io.grpc:grpc-okhttp:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    testImplementation 'io.grpc:grpc-okhttp:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.robolectric:robolectric:3.7.1'
     testImplementation 'com.google.truth:truth:0.39'
diff --git a/build.gradle b/build.gradle
index e4d6140..2297bed 100644
--- a/build.gradle
+++ b/build.gradle
@@ -53,7 +53,7 @@
     idea.module.inheritOutputDirs = true
 
     group = "io.grpc"
-    version = "1.15.0-SNAPSHOT" // CURRENT_GRPC_VERSION
+    version = "1.16.0-SNAPSHOT" // CURRENT_GRPC_VERSION
 
     sourceCompatibility = 1.7
     targetCompatibility = 1.7
diff --git a/compiler/src/test/golden/TestDeprecatedService.java.txt b/compiler/src/test/golden/TestDeprecatedService.java.txt
index dffc6b8..8cc441b 100644
--- a/compiler/src/test/golden/TestDeprecatedService.java.txt
+++ b/compiler/src/test/golden/TestDeprecatedService.java.txt
@@ -21,7 +21,7 @@
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.15.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.16.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @java.lang.Deprecated
 public final class TestDeprecatedServiceGrpc {
diff --git a/compiler/src/test/golden/TestService.java.txt b/compiler/src/test/golden/TestService.java.txt
index 9216e7b..c9e10cf 100644
--- a/compiler/src/test/golden/TestService.java.txt
+++ b/compiler/src/test/golden/TestService.java.txt
@@ -21,7 +21,7 @@
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.15.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.16.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 public final class TestServiceGrpc {
 
diff --git a/compiler/src/testLite/golden/TestDeprecatedService.java.txt b/compiler/src/testLite/golden/TestDeprecatedService.java.txt
index 4b9e9d5..9601483 100644
--- a/compiler/src/testLite/golden/TestDeprecatedService.java.txt
+++ b/compiler/src/testLite/golden/TestDeprecatedService.java.txt
@@ -21,7 +21,7 @@
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.15.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.16.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @java.lang.Deprecated
 public final class TestDeprecatedServiceGrpc {
diff --git a/compiler/src/testLite/golden/TestService.java.txt b/compiler/src/testLite/golden/TestService.java.txt
index 1f2fd16..2adcbdd 100644
--- a/compiler/src/testLite/golden/TestService.java.txt
+++ b/compiler/src/testLite/golden/TestService.java.txt
@@ -21,7 +21,7 @@
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.15.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.16.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 public final class TestServiceGrpc {
 
diff --git a/compiler/src/testNano/golden/TestDeprecatedService.java.txt b/compiler/src/testNano/golden/TestDeprecatedService.java.txt
index e7209eb..6e5bba9 100644
--- a/compiler/src/testNano/golden/TestDeprecatedService.java.txt
+++ b/compiler/src/testNano/golden/TestDeprecatedService.java.txt
@@ -23,7 +23,7 @@
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.15.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.16.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 @java.lang.Deprecated
 public final class TestDeprecatedServiceGrpc {
diff --git a/compiler/src/testNano/golden/TestService.java.txt b/compiler/src/testNano/golden/TestService.java.txt
index fe57204..35c3332 100644
--- a/compiler/src/testNano/golden/TestService.java.txt
+++ b/compiler/src/testNano/golden/TestService.java.txt
@@ -23,7 +23,7 @@
  * </pre>
  */
 @javax.annotation.Generated(
-    value = "by gRPC proto compiler (version 1.15.0-SNAPSHOT)",
+    value = "by gRPC proto compiler (version 1.16.0-SNAPSHOT)",
     comments = "Source: grpc/testing/compiler/test.proto")
 public final class TestServiceGrpc {
 
diff --git a/core/src/main/java/io/grpc/internal/GrpcUtil.java b/core/src/main/java/io/grpc/internal/GrpcUtil.java
index 1bd7aa6..aa157f9 100644
--- a/core/src/main/java/io/grpc/internal/GrpcUtil.java
+++ b/core/src/main/java/io/grpc/internal/GrpcUtil.java
@@ -199,7 +199,7 @@
 
   public static final Splitter ACCEPT_ENCODING_SPLITTER = Splitter.on(',').trimResults();
 
-  private static final String IMPLEMENTATION_VERSION = "1.15.0-SNAPSHOT"; // CURRENT_GRPC_VERSION
+  private static final String IMPLEMENTATION_VERSION = "1.16.0-SNAPSHOT"; // CURRENT_GRPC_VERSION
 
   /**
    * The default delay in nanos before we send a keepalive.
diff --git a/cronet/build.gradle b/cronet/build.gradle
index 7bb376a..ae0efd2 100644
--- a/cronet/build.gradle
+++ b/cronet/build.gradle
@@ -39,8 +39,8 @@
 }
 
 dependencies {
-    implementation 'io.grpc:grpc-core:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    testImplementation 'io.grpc:grpc-testing:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-core:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    testImplementation 'io.grpc:grpc-testing:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 
     implementation "org.chromium.net:cronet-embedded:66.3359.158"
 
diff --git a/documentation/android-channel-builder.md b/documentation/android-channel-builder.md
index ef4f4c9..cd316b4 100644
--- a/documentation/android-channel-builder.md
+++ b/documentation/android-channel-builder.md
@@ -36,8 +36,8 @@
 `grpc-okhttp`:
 
 ```
-compile 'io.grpc:grpc-android:1.15.0' // CURRENT_GRPC_VERSION
-compile 'io.grpc:grpc-okhttp:1.15.0' // CURRENT_GRPC_VERSION
+compile 'io.grpc:grpc-android:1.16.0' // CURRENT_GRPC_VERSION
+compile 'io.grpc:grpc-okhttp:1.16.0' // CURRENT_GRPC_VERSION
 ```
 
 You will also need permission to access the device's network state in your
diff --git a/examples/android/clientcache/app/build.gradle b/examples/android/clientcache/app/build.gradle
index 076840d..1b69529 100644
--- a/examples/android/clientcache/app/build.gradle
+++ b/examples/android/clientcache/app/build.gradle
@@ -31,7 +31,7 @@
     protoc { artifact = 'com.google.protobuf:protoc:3.4.0' }
     plugins {
         javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" }
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -49,12 +49,12 @@
     compile 'com.android.support:appcompat-v7:27.0.2'
 
     // You need to build grpc-java to obtain these libraries below.
-    compile 'io.grpc:grpc-okhttp:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-protobuf-lite:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-stub:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-okhttp:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-protobuf-lite:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-stub:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     compile 'javax.annotation:javax.annotation-api:1.2'
 
     testCompile 'junit:junit:4.12'
     testCompile 'com.google.truth:truth:0.36'
-    testCompile 'io.grpc:grpc-testing:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    testCompile 'io.grpc:grpc-testing:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 }
diff --git a/examples/android/helloworld/app/build.gradle b/examples/android/helloworld/app/build.gradle
index d232a97..a994ab4 100644
--- a/examples/android/helloworld/app/build.gradle
+++ b/examples/android/helloworld/app/build.gradle
@@ -30,7 +30,7 @@
     protoc { artifact = 'com.google.protobuf:protoc:3.5.1-1' }
     plugins {
         javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" }
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -48,8 +48,8 @@
     compile 'com.android.support:appcompat-v7:27.0.2'
 
     // You need to build grpc-java to obtain these libraries below.
-    compile 'io.grpc:grpc-okhttp:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-protobuf-lite:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-stub:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-okhttp:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-protobuf-lite:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-stub:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     compile 'javax.annotation:javax.annotation-api:1.2'
 }
diff --git a/examples/android/routeguide/app/build.gradle b/examples/android/routeguide/app/build.gradle
index df5ff83..f92a996 100644
--- a/examples/android/routeguide/app/build.gradle
+++ b/examples/android/routeguide/app/build.gradle
@@ -29,7 +29,7 @@
     protoc { artifact = 'com.google.protobuf:protoc:3.5.1-1' }
     plugins {
         javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" }
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -47,8 +47,8 @@
     compile 'com.android.support:appcompat-v7:27.0.2'
 
     // You need to build grpc-java to obtain these libraries below.
-    compile 'io.grpc:grpc-okhttp:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-protobuf-lite:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-stub:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-okhttp:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-protobuf-lite:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-stub:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
     compile 'javax.annotation:javax.annotation-api:1.2'
 }
diff --git a/examples/build.gradle b/examples/build.gradle
index b7406d4..1649e7f 100644
--- a/examples/build.gradle
+++ b/examples/build.gradle
@@ -22,7 +22,7 @@
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 def nettyTcNativeVersion = '2.0.7.Final'
 def protobufVersion = '3.5.1'
 def protocVersion = '3.5.1-1'
diff --git a/examples/example-kotlin/android/helloworld/app/build.gradle b/examples/example-kotlin/android/helloworld/app/build.gradle
index 6e3f7e3..64c8dc2 100644
--- a/examples/example-kotlin/android/helloworld/app/build.gradle
+++ b/examples/example-kotlin/android/helloworld/app/build.gradle
@@ -52,7 +52,7 @@
     protoc { artifact = 'com.google.protobuf:protoc:3.5.1-1' }
     plugins {
         javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" }
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
         }
     }
     generateProtoTasks {
@@ -72,9 +72,9 @@
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     // You need to build grpc-java to obtain these libraries below.
-    compile 'io.grpc:grpc-okhttp:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-protobuf-lite:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
-    compile 'io.grpc:grpc-stub:1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-okhttp:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-protobuf-lite:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+    compile 'io.grpc:grpc-stub:1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 }
 
 repositories { mavenCentral() }
diff --git a/examples/example-kotlin/build.gradle b/examples/example-kotlin/build.gradle
index 7f06ea7..4ebe65b 100644
--- a/examples/example-kotlin/build.gradle
+++ b/examples/example-kotlin/build.gradle
@@ -35,7 +35,7 @@
 
 // Feel free to delete the comment at the next line. It is just for safely
 // updating the version in our release process.
-def grpcVersion = '1.15.0-SNAPSHOT' // CURRENT_GRPC_VERSION
+def grpcVersion = '1.16.0-SNAPSHOT' // CURRENT_GRPC_VERSION
 
 dependencies {
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
diff --git a/examples/pom.xml b/examples/pom.xml
index 9ccf296..6de5524 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -6,12 +6,12 @@
   <packaging>jar</packaging>
   <!-- Feel free to delete the comment at the end of these lines. It is just
        for safely updating the version in our release process. -->
-  <version>1.15.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
+  <version>1.16.0-SNAPSHOT</version><!-- CURRENT_GRPC_VERSION -->
   <name>examples</name>
   <url>http://maven.apache.org</url>
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.15.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
+    <grpc.version>1.16.0-SNAPSHOT</grpc.version><!-- CURRENT_GRPC_VERSION -->
     <protobuf.version>3.5.1</protobuf.version>
     <protoc.version>3.5.1-1</protoc.version>
     <netty.tcnative.version>2.0.7.Final</netty.tcnative.version>