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

build/android/pylib/linker/test_runner.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.
 
 """Runs linker tests on a particular device."""
 
 import logging
 import os.path
 import sys
 import traceback
 
+from devil.android import apk_helper
 from pylib import constants
 from pylib.base import base_test_result
 from pylib.base import base_test_runner
 from pylib.linker import test_case
-from pylib.utils import apk_helper
 
 
 # Name of the Android package to install for this to work.
 _PACKAGE_NAME = 'ChromiumLinkerTest'
 
 
 class LinkerExceptionTestResult(base_test_result.BaseTestResult):
   """Test result corresponding to a python exception in a host-custom test."""
 
   def __init__(self, test_name, exc_info):
@@ skipping 62 matching lines @@
                         test.tagged_name)
       exc_info = sys.exc_info()
       results = base_test_result.TestRunResults()
       results.AddResult(LinkerExceptionTestResult(
           test.tagged_name, exc_info))
 
     if not results.DidRunPass():
       return results, test
     else:
       return results, None