[Android] Rework device filtering and add DeviceUtils.HealthyDevices.

build/android/provision_devices.py

 #!/usr/bin/env python
 #
 # Copyright (c) 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.
 
 """Provisions Android devices with settings required for bots.
 
 Usage:
   ./provision_devices.py [-d <device serial number>]
 """
 
 import argparse
 import logging
 import os
 import posixpath
 import re
 import subprocess
 import sys
 import time
 
 from pylib import constants
 from pylib import device_settings
-from pylib.device import adb_wrapper
 from pylib.device import battery_utils
 from pylib.device import device_blacklist
 from pylib.device import device_errors
-from pylib.device import device_filter
 from pylib.device import device_utils
 from pylib.utils import run_tests_helper
 from pylib.utils import timeout_retry
 
 sys.path.append(os.path.join(constants.DIR_SOURCE_ROOT,
                              'third_party', 'android_testrunner'))
 import errors
 
 
 class _DEFAULT_TIMEOUTS(object):
   # L can take a while to reboot after a wipe.
   LOLLIPOP = 600
   PRE_LOLLIPOP = 180
 
   HELP_TEXT = '{}s on L, {}s on pre-L'.format(LOLLIPOP, PRE_LOLLIPOP)
 
 
 class _PHASES(object):
   WIPE = 'wipe'
   PROPERTIES = 'properties'
   FINISH = 'finish'
 
   ALL = [WIPE, PROPERTIES, FINISH]
 
 
 def ProvisionDevices(options):
   if options.device is not None:
     devices = [options.device]
   else:
-    devices = adb_wrapper.AdbWrapper.Devices(
-        filters=device_filter.DefaultFilters())
+    devices = device_utils.DeviceUtils.HealthyDevices()
 
   parallel_devices = device_utils.DeviceUtils.parallel(devices)
   parallel_devices.pMap(ProvisionDevice, options)
   if options.auto_reconnect:
     _LaunchHostHeartbeat()
   blacklist = device_blacklist.ReadBlacklist()
   if all(d in blacklist for d in devices):
     raise device_errors.NoDevicesError
   return 0
 
@@ skipping 244 matching lines @@
   args = parser.parse_args()
   constants.SetBuildType(args.target)
 
   run_tests_helper.SetLogLevel(args.verbose)
 
   return ProvisionDevices(args)
 
 
 if __name__ == '__main__':
   sys.exit(main())