Check in protobuf java code and generate lite jar.

third_party/protobuf/protobuf.gyp

Index: third_party/protobuf/protobuf.gyp
diff --git a/third_party/protobuf/protobuf.gyp b/third_party/protobuf/protobuf.gyp
index 6b060f2d5c6efad576562b588fbc8b5e2580159d..c2cce8eddc86a2bb1c1f971b9ecf5550047ce22b 100644
--- a/third_party/protobuf/protobuf.gyp
+++ b/third_party/protobuf/protobuf.gyp
@@ -102,6 +102,17 @@
         ],
       },
     },
+    {
+      'target_name': 'protobuf_lite_java',
+      'type' : 'none',
+      'all_dependent_settings': {
+        'variables': {
+          'input_jars_paths' : [
+            'javalib/protobuf-java-2.4.1-lite.jar',
+          ],
+        }
+      }
+    },
     # This is the full, heavy protobuf lib that's needed for c++ .proto's
     # that don't specify the LITE_RUNTIME option.  The protocol
     # compiler itself (protoc) falls into that category.