Add sources for API 35

Downloaded from https://dl.google.com/android/repository/source-35_r01.zip
using SdkManager in Studio

Test: None
Change-Id: I83f78aa820b66edfdc9f8594d17bc7b6cacccec1
diff --git a/android-35/com/google/protobuf/MapFieldSchema.java b/android-35/com/google/protobuf/MapFieldSchema.java
new file mode 100644
index 0000000..d92a3bb
--- /dev/null
+++ b/android-35/com/google/protobuf/MapFieldSchema.java
@@ -0,0 +1,65 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package com.google.protobuf;
+
+import java.util.Map;
+
+@CheckReturnValue
+interface MapFieldSchema {
+  /** Returns the map data for mutation. */
+  Map<?, ?> forMutableMapData(Object mapField);
+
+  /** Returns the map data for read. */
+  Map<?, ?> forMapData(Object mapField);
+
+  /** Whether toImmutable() has been called on this map field. */
+  boolean isImmutable(Object mapField);
+
+  /**
+   * Returns an immutable instance of the map field. It may make the parameter immutable and return
+   * the parameter, or create an immutable copy. The status of the parameter after the call is
+   * undefined.
+   */
+  Object toImmutable(Object mapField);
+
+  /** Returns a new instance of the map field given a map default entry. */
+  Object newMapField(Object mapDefaultEntry);
+
+  /** Returns the metadata from a default entry. */
+  MapEntryLite.Metadata<?, ?> forMapMetadata(Object mapDefaultEntry);
+
+  /** Merges {@code srcMapField} into {@code destMapField}, and returns the merged instance. */
+  @CanIgnoreReturnValue
+  Object mergeFrom(Object destMapField, Object srcMapField);
+
+  /** Compute the serialized size for the map with a given field number. */
+  int getSerializedSize(int fieldNumber, Object mapField, Object mapDefaultEntry);
+}