Update from https://crrev.com/308331

build/android/buildbot/bb_device_status_check.py

 #!/usr/bin/env python
 #
 # 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.
 
 """A class to keep track of devices across builds and report state."""
 import json
 import logging
 import optparse
@@ skipping 28 matching lines @@
 
   Args:
     serial: The serial of the attached device to construct info about.
 
   Returns:
     Tuple of device type, build id, report as a string, error messages, and
     boolean indicating whether or not device can be used for testing.
   """
 
   device_adb = device_utils.DeviceUtils(serial)
-  device_type = device_adb.GetProp('ro.build.product')
-  device_build = device_adb.GetProp('ro.build.id')
-  device_build_type = device_adb.GetProp('ro.build.type')
-  device_product_name = device_adb.GetProp('ro.product.name')
+  device_type = device_adb.build_product
+  device_build = device_adb.build_id
+  device_build_type = device_adb.build_type
+  device_product_name = device_adb.product_name
 
   try:
     battery_info = device_adb.old_interface.GetBatteryInfo()
   except Exception as e:
     battery_info = {}
     logging.error('Unable to obtain battery info for %s, %s', serial, e)
 
   def _GetData(re_expression, line, lambda_function=lambda x: x):
     if not line:
       return 'Unknown'
     found = re.findall(re_expression, line)
     if found and len(found):
       return lambda_function(found[0])
     return 'Unknown'
 
   battery_level = int(battery_info.get('level', 100))
   imei_slice = _GetData(r'Device ID = (\d+)',
                         device_adb.old_interface.GetSubscriberInfo(),
                         lambda x: x[-6:])
   report = ['Device %s (%s)' % (serial, device_type),
             '  Build: %s (%s)' %
-              (device_build, device_adb.GetProp('ro.build.fingerprint')),
+              (device_build, device_adb.build_fingerprint),
             '  Current Battery Service state: ',
             '\n'.join(['    %s: %s' % (k, v)
                        for k, v in battery_info.iteritems()]),
             '  IMEI slice: %s' % imei_slice,
             '  Wifi IP: %s' % device_adb.GetProp('dhcp.wlan0.ipaddress'),
             '']
 
   errors = []
   dev_good = True
   if battery_level < 15:
@@ skipping 294 matching lines @@
 
   if num_failed_devs == len(devices):
     return 2
 
   if not devices:
     return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())