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

build/android/pylib/uirobot/uirobot_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 os
 import json
 import logging
 
+from devil.android import apk_helper
 from pylib import constants
 from pylib.base import test_instance
-from pylib.utils import apk_helper
 
 class UirobotTestInstance(test_instance.TestInstance):
 
   def __init__(self, args, error_func):
     """Constructor.
 
     Args:
       args: Command line arguments.
     """
     super(UirobotTestInstance, self).__init__()
@@ skipping 48 matching lines @@
     return self._minutes
 
   @property
   def package_name(self):
     """Returns the name of the package in the APK."""
     return self._package_name
 
   @property
   def suite(self):
     return self._suite