Revert of Generate Android .isolate files used for test()s

build/android/pylib/instrumentation/instrumentation_test_instance.py

 # Copyright 2015 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 collections
 import copy
 import logging
 import os
 import pickle
 import re
 
 from devil.android import apk_helper
 from devil.android import md5sum
 from pylib import constants
 from pylib.base import base_test_result
 from pylib.base import test_instance
 from pylib.constants import host_paths
 from pylib.instrumentation import test_result
 from pylib.instrumentation import instrumentation_parser
-from pylib.utils import isolator
 from pylib.utils import proguard
 
 with host_paths.SysPath(host_paths.BUILD_COMMON_PATH):
   import unittest_util # pylint: disable=import-error
 
 # Ref: http://developer.android.com/reference/android/app/Activity.html
 _ACTIVITY_RESULT_CANCELED = 0
 _ACTIVITY_RESULT_OK = -1
 
 _COMMAND_LINE_PARAMETER = 'cmdlinearg-parameter'
@@ skipping 255 matching lines @@
       logging.warning('Unable to find package info for %s', self._test_package)
 
     for apk in args.additional_apks:
       if not os.path.exists(apk):
         error_func('Unable to find additional APK: %s' % apk)
     self._additional_apks = (
         [apk_helper.ToHelper(x) for x in args.additional_apks])
 
   def _initializeDataDependencyAttributes(self, args, isolate_delegate):
     self._data_deps = []
-    if (args.isolate_file_path and
-        not isolator.IsIsolateEmpty(args.isolate_file_path)):
+    if args.isolate_file_path:
       if os.path.isabs(args.isolate_file_path):
         self._isolate_abs_path = args.isolate_file_path
       else:
         self._isolate_abs_path = os.path.join(
             constants.DIR_SOURCE_ROOT, args.isolate_file_path)
       self._isolate_delegate = isolate_delegate
       self._isolated_abs_path = os.path.join(
           constants.GetOutDirectory(), '%s.isolated' % self._test_package)
     else:
       self._isolate_delegate = None
@@ skipping 331 matching lines @@
   def GenerateTestResults(
       result_code, result_bundle, statuses, start_ms, duration_ms):
     return GenerateTestResults(result_code, result_bundle, statuses,
                                start_ms, duration_ms)
 
   #override
   def TearDown(self):
     if self._isolate_delegate:
       self._isolate_delegate.Clear()