Suppress Ant build noise

build/apk_test.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 APK based test suites.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'test_suite_name_apk',
@@ skipping 43 matching lines @@
               '<(android_app_abi)',
               '--stamp-file',
               '<(generate_native_test_stamp)',
               '--no-compile',
             ],
           },
           {
             'action_name': 'ant_apk_<(test_suite_name)',
             'message': 'Building <(test_suite_name) test apk.',
             'inputs': [
+              '<(DEPTH)/build/android/gyp/util/build_utils.py',
+              '<(DEPTH)/build/android/gyp/ant.py',
               '<(generate_native_test_stamp)',
             ],
             'outputs': [
               '<(PRODUCT_DIR)/<(test_suite_name)_apk/<(test_suite_name)-debug.apk',
             ],
             'action': [
-              'ant', '-quiet',
+              'python', '<(DEPTH)/build/android/gyp/ant.py',
+              '-quiet',
               '-DPRODUCT_DIR=<(ant_build_out)',
               '-DANDROID_SDK=<(android_sdk)',
               '-DANDROID_SDK_ROOT=<(android_sdk_root)',
               '-DANDROID_SDK_TOOLS=<(android_sdk_tools)',
               '-DANDROID_SDK_VERSION=<(android_sdk_version)',
               '-DANDROID_GDBSERVER=<(android_gdbserver)',
               '-DCHROMIUM_SRC=<(ant_build_out)/../..',
               '-DINPUT_JARS_PATHS=>(input_jars_paths)',
               '-DAPP_ABI=<(android_app_abi)',
               '-buildfile', '<(intermediate_dir)/native_test_apk.xml',
             ],
           }],
         }],  # 'OS == "android" and gtest_target_type == "shared_library"
       ],  # conditions
     }],
   ],  # target_conditions
 }