[Android] Add --blacklist-file as a command-line option.

build/android/update_verification.py

Index: build/android/update_verification.py
diff --git a/build/android/update_verification.py b/build/android/update_verification.py
index 05d083b32a3d2889e8fa4d23e21cf1610224b615..72d156d8e3057b7d50673f48e5a23ee2d76578cc 100755
--- a/build/android/update_verification.py
+++ b/build/android/update_verification.py
@@ -31,6 +31,7 @@ import sys
 import time
 
 from pylib import constants
+from pylib.device import device_blacklist
 from pylib.device import device_errors
 from pylib.device import device_utils
 from pylib.utils import apk_helper
@@ -64,6 +65,7 @@ def main():
       description="Script to do semi-automated upgrade testing.")
   parser.add_argument('-v', '--verbose', action='count',
                       help='Print verbose log information.')
+  parser.add_argument('--blacklist-file', help='Device blacklist JSON file.')
   command_parsers = parser.add_subparsers(dest='command')
 
   subparser = command_parsers.add_parser('create_app_data')
@@ -88,7 +90,12 @@ def main():
   args = parser.parse_args()
   run_tests_helper.SetLogLevel(args.verbose)
 
-  devices = device_utils.DeviceUtils.HealthyDevices()
+  if args.blacklist_file:
+    blacklist = device_blacklist.Blacklist(args.blacklist_file)
+  else:
+    blacklist = None
+
+  devices = device_utils.DeviceUtils.HealthyDevices(blacklist)
   if not devices:
     raise device_errors.NoDevicesError()
   device = devices[0]