Predex java libraries

build/apk_fake_jar.gypi

+# 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.
+
+# This file is meant to be included into a target to provide a rule
+# to build Java in a consistent manner.
+
+{
+  'all_dependent_settings': {
+    'variables': {
+      'input_jars_paths': ['>(apk_output_jar_path)'],
+      'library_dexed_jars_paths': ['>(apk_output_jar_path)'],
+    },
+  },
+  # Add an action with the appropriate output. This allows the generated
+  # buildfiles to determine which target the output corresponds to.
+  'actions': [
+    {
+      'action_name': 'fake_generate_jar',
+      'inputs': [],
+      'outputs': ['>(apk_output_jar_path)'],
+      'action': [],
+    },
+  ],
+}