Add test jar generation logic for ant builds.

build/java.gypi

 # Copyright (c) 2012 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.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'my-package_java',
@@ skipping 10 matching lines @@
 # java_in_dir="base/android/java" you should have a directory structure like:
 #
 # base/android/java/base.xml
 # base/android/java/org/chromium/base/Foo.java
 # base/android/java/org/chromium/base/Bar.java
 #
 # Finally, the generated jar-file will be:
 #   <(PRODUCT_DIR)/lib.java/chromium_base.jar
 
 {
+  'dependencies': [
+    '<(DEPTH)/base/base.gyp:build_output_directories'
+  ],
   'direct_dependent_settings': {
     'variables': {
       'input_jars_paths': ['<(PRODUCT_DIR)/lib.java/chromium_<(package_name).jar'],
     },
   },
   'variables': {
     'input_jars_paths': [],
     'additional_src_dirs': [],
   },
   'actions': [
@@ skipping 20 matching lines @@
         '-DANDROID_SDK_TOOLS=<(android_sdk_tools)',
         '-DANDROID_SDK_VERSION=<(android_sdk_version)',
         '-DANDROID_GDBSERVER=<(android_gdbserver)',
         '-Dbasedir=<(java_in_dir)',
         '-buildfile',
         '<(DEPTH)/build/android/ant/chromium-jars.xml'
       ]
     },
   ],
 }