Update third_party/protobuf to protobuf-v3.0.0-beta-3

third_party/protobuf/java/core/src/test/proto/com/google/protobuf/lite_equals_and_hash.proto

Index: third_party/protobuf/java/core/src/test/proto/com/google/protobuf/lite_equals_and_hash.proto
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/lite_equals_and_hash.proto b/third_party/protobuf/java/core/src/test/proto/com/google/protobuf/lite_equals_and_hash.proto
similarity index 92%
rename from third_party/protobuf/java/src/test/java/com/google/protobuf/lite_equals_and_hash.proto
rename to third_party/protobuf/java/core/src/test/proto/com/google/protobuf/lite_equals_and_hash.proto
index 86837250580af4232889dafbd4870936098d4556..6eef42c578c96f209b1b002ce023c0ac11857c78 100644
--- a/third_party/protobuf/java/src/test/java/com/google/protobuf/lite_equals_and_hash.proto
+++ b/third_party/protobuf/java/core/src/test/proto/com/google/protobuf/lite_equals_and_hash.proto
@@ -34,11 +34,15 @@ syntax = "proto2";
 
 package protobuf_unittest.lite_equals_and_hash;
 
-// This proto definition is used to test that java_generate_equals_and_hash
-// works correctly with the LITE_RUNTIME.
-option java_generate_equals_and_hash = true;
 option optimize_for = LITE_RUNTIME;
 
+message TestOneofEquals {
+  oneof oneof_field {
+    string name = 1;
+    int32 value = 2;
+  }
+}
+
 message Foo {
   optional int32 value = 1;
   repeated Bar bar = 2;
@@ -70,3 +74,8 @@ extend Foo {
   }
 }
 
+message TestRecursiveOneof {
+  oneof Foo {
+    TestRecursiveOneof r = 1;
+  }
+}