all: Add more projects to the all super-project

This adds to the published JavaDoc and reported code coverage.
diff --git a/all/build.gradle b/all/build.gradle
index ab8cf8b..9b7a982 100644
--- a/all/build.gradle
+++ b/all/build.gradle
@@ -10,12 +10,14 @@
 def subprojects = [
     project(':grpc-api'),
     project(':grpc-auth'),
-    project(':grpc-core'),
     project(':grpc-context'),
+    project(':grpc-core'),
+    project(':grpc-grpclb'),
     project(':grpc-netty'),
     project(':grpc-okhttp'),
     project(':grpc-protobuf'),
     project(':grpc-protobuf-lite'),
+    project(':grpc-services'),
     project(':grpc-stub'),
     project(':grpc-testing'),
     project(':grpc-xds'),