Generate java bindings for structs.

mojo/public/interfaces/bindings/tests/sample_service.mojom

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import "sample_import.mojom"
 import "sample_import2.mojom"
 
-[JavaPackage="org.chromium.mojo.bindings.test.sample"]
+[JavaPackage="org.chromium.mojo.bindings.test.mojom.sample"]
 module sample {
 
 const uint8 kTwelve = 12;
 
 struct Bar {
   enum Type {
     TYPE_VERTICAL = 1,
     TYPE_HORIZONTAL,
     TYPE_BOTH,
     TYPE_INVALID
@@ skipping 81 matching lines @@
   DidFrobinate@0(int32 result@0);
 };
 
 // This interface is referenced above where it is defined. It also refers to
 // itself from a method.
 interface Port {
   PostMessage@0(string message_text@0, Port port@1);
 };
 
 }