Check in protobuf java code and generate lite jar.

third_party/protobuf/java/src/test/java/com/google/protobuf/ForceFieldBuildersPreRun.java

Index: third_party/protobuf/java/src/test/java/com/google/protobuf/ForceFieldBuildersPreRun.java
diff --git a/third_party/protobuf/python/google/protobuf/internal/more_extensions.proto b/third_party/protobuf/java/src/test/java/com/google/protobuf/ForceFieldBuildersPreRun.java
similarity index 71%
copy from third_party/protobuf/python/google/protobuf/internal/more_extensions.proto
copy to third_party/protobuf/java/src/test/java/com/google/protobuf/ForceFieldBuildersPreRun.java
index e2d97010450d32f2d1dd7b3ec0d2d05bf93435cb..8b78893dd365c509f0810aed32dc481b5db3e0a7 100644
--- a/third_party/protobuf/python/google/protobuf/internal/more_extensions.proto
+++ b/third_party/protobuf/java/src/test/java/com/google/protobuf/ForceFieldBuildersPreRun.java
@@ -28,31 +28,21 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Author: robinson@google.com (Will Robinson)
-
-
-package google.protobuf.internal;
-
-
-message TopLevelMessage {
-  optional ExtendedMessage submessage = 1;
-}
-
-
-message ExtendedMessage {
-  extensions 1 to max;
-}
-
-
-message ForeignMessage {
-  optional int32 foreign_message_int = 1;
-}
-
-
-extend ExtendedMessage {
-  optional int32 optional_int_extension = 1;
-  optional ForeignMessage optional_message_extension = 2;
-
-  repeated int32 repeated_int_extension = 3;
-  repeated ForeignMessage repeated_message_extension = 4;
+package com.google.protobuf;
+
+/**
+ * A prerun for a test suite that allows running the full protocol buffer
+ * tests in a mode that disables the optimization for not using
+ * {@link RepeatedFieldBuilder} and {@link SingleFieldBuilder} until they are
+ * requested. This allows us to run all the tests through both code paths
+ * and ensures that both code paths produce identical results.
+ *
+ * @author jonp@google.com (Jon Perlow)
+ */
+public class ForceFieldBuildersPreRun implements Runnable {
+
+  //@Override (Java 1.6 override semantics, but we must support 1.5)
+  public void run() {
+    GeneratedMessage.enableAlwaysUseFieldBuildersForTesting();
+  }
 }