Revert of [Android] Remove more uses of android_commands from build/android/pylib.

build/android/pylib/perf/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 performance tests."""
 
 import json
 import fnmatch
 import logging
 import os
 import shutil
 
+from pylib import android_commands
 from pylib import constants
 from pylib import forwarder
 from pylib.device import device_list
-from pylib.device import device_utils
 from pylib.perf import test_runner
 from pylib.utils import test_environment
 
 
 def _GetAllDevices():
   devices_path = os.path.join(os.environ.get('CHROMIUM_OUT_DIR', 'out'),
                               device_list.LAST_DEVICES_FILENAME)
   try:
-    devices = [device_utils.DeviceUtils(s)
-               for s in device_list.GetPersistentDeviceList(devices_path)]
+    devices = device_list.GetPersistentDeviceList(devices_path)
   except IOError as e:
     logging.error('Unable to find %s [%s]', devices_path, e)
-    devices = device_utils.DeviceUtils.HealthyDevices()
+    devices = android_commands.GetAttachedDevices()
   return sorted(devices)
 
 
 def _GetStepsDictFromSingleStep(test_options):
   # Running a single command, build the tests structure.
   steps_dict = {
     'version': 1,
     'steps': {
         'single_step': {
           'device_affinity': 0,
@@ skipping 48 matching lines @@
   if test_options.flaky_steps:
     with file(test_options.flaky_steps, 'r') as f:
       flaky_steps = json.load(f)
 
   def TestRunnerFactory(device, shard_index):
     return test_runner.TestRunner(
         test_options, device, shard_index, len(all_devices),
         steps_dict, flaky_steps)
 
   return (TestRunnerFactory, sorted_step_names, all_devices)