[Android] Remove isolate_deps_dir after files have been pushed.

build/android/pylib/gtest/setup.py

 # 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.
 
 """Generates test runner factory and tests for GTests."""
 # pylint: disable=W0212
 
 import logging
 import os
 import sys
@@ skipping 189 matching lines @@
     if not os.path.exists(exe_test_package.suite_path):
       raise Exception(
           'Did not find %s target. Ensure it has been built.\n'
           '(not found at %s or %s)'
           % (test_options.suite_name,
              test_package.suite_path,
              exe_test_package.suite_path))
     test_package = exe_test_package
   logging.warning('Found target %s', test_package.suite_path)
 
-  base_setup.GenerateDepsDirUsingIsolate(test_options.suite_name,
+  i = base_setup.GenerateDepsDirUsingIsolate(test_options.suite_name,
                                          test_options.isolate_file_path,
                                          ISOLATE_FILE_PATHS,
                                          DEPS_EXCLUSION_LIST)
   def push_data_deps_to_device_dir(device):
     device_dir = (constants.TEST_EXECUTABLE_DIR
         if test_package.suite_name == 'breakpad_unittests'
         else device.GetExternalStoragePath())
     base_setup.PushDataDeps(device, device_dir, test_options)
   device_utils.DeviceUtils.parallel(devices).pMap(push_data_deps_to_device_dir)
+  if i:
+    i.Clear()
 
   tests = _GetTests(test_options, test_package, devices)
 
   # Constructs a new TestRunner with the current options.
   def TestRunnerFactory(device, _shard_index):
     return test_runner.TestRunner(
         test_options,
         device,
         test_package)
 
   if test_options.run_disabled:
     test_options = test_options._replace(
         test_arguments=('%s --gtest_also_run_disabled_tests' %
                         test_options.test_arguments))
   else:
     tests = _FilterDisabledTests(tests, test_options.suite_name,
                                  bool(test_options.gtest_filter))
   if test_options.gtest_filter:
     tests = unittest_util.FilterTestNames(tests, test_options.gtest_filter)
 
   # Coalesce unit tests into a single test per device
   if (test_options.suite_name != 'content_browsertests' and
       test_options.suite_name != 'components_browsertests'):
     num_devices = len(devices)
     tests = [':'.join(tests[i::num_devices]) for i in xrange(num_devices)]
     tests = [t for t in tests if t]
 
   return (TestRunnerFactory, tests)