third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/NestedBuildersTest.java

Index: third_party/protobuf/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/NestedBuildersTest.java
diff --git a/third_party/protobuf/java/core/src/test/java/com/google/protobuf/NestedBuildersTest.java b/third_party/protobuf/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/NestedBuildersTest.java
similarity index 98%
copy from third_party/protobuf/java/core/src/test/java/com/google/protobuf/NestedBuildersTest.java
copy to third_party/protobuf/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/NestedBuildersTest.java
index 542e28c0a56fe808dcbe51a162e7b24e40f8bae9..68d70beca1094118dd3fbacc82911e90806e962c 100644
--- a/third_party/protobuf/java/core/src/test/java/com/google/protobuf/NestedBuildersTest.java
+++ b/third_party/protobuf/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/NestedBuildersTest.java
@@ -1,6 +1,6 @@
 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+// http://code.google.com/p/protobuf/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
@@ -28,15 +28,16 @@
 // (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;
+package com.google.protobuf.test;
+import com.google.protobuf.*;
 
 import protobuf_unittest.Vehicle;
 import protobuf_unittest.Wheel;
 
 import junit.framework.TestCase;
 
-import java.util.ArrayList;
 import java.util.List;
+import java.util.ArrayList;
 
 /**
  * Test cases that exercise end-to-end use cases involving