[Android][telemetry] Update pylib imports for modules that moved into devil.

build/android/pylib/gtest/gtest_test_instance.py

 # Copyright 2014 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 logging
 import os
 import re
 import shutil
 import sys
 import tempfile
 
+from devil.android import apk_helper
 from pylib import constants
 from pylib.base import base_test_result
 from pylib.base import test_instance
-from pylib.utils import apk_helper
 
 sys.path.append(os.path.join(
     constants.DIR_SOURCE_ROOT, 'build', 'util', 'lib', 'common'))
 import unittest_util
 
 
 BROWSER_TEST_SUITES = [
   'components_browsertests',
   'content_browsertests',
 ]
@@ skipping 294 matching lines @@
     return self._package
 
   @property
   def runner(self):
     return self._runner
 
   @property
   def suite(self):
     return self._suite