[Android] Changes python_test_root to host-driven-root

build/android/buildbot/bb_device_steps.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.
 
 import collections
 import glob
 import multiprocessing
 import os
 import shutil
@@ skipping 148 matching lines @@
   args = ['--test-apk', test.test_apk, '--test_data', test.test_data,
           '--verbose']
   if options.target == 'Release':
     args.append('--release')
   if options.asan:
     args.append('--tool=asan')
   if options.flakiness_server:
     args.append('--flakiness-dashboard-server=%s' %
                 options.flakiness_server)
   if test.host_driven_root:
-    args.append('--python_test_root=%s' % test.host_driven_root)
+    args.append('--host-driven-root=%s' % test.host_driven_root)
   if test.annotation:
     args.extend(['-A', test.annotation])
   if test.exclude_annotation:
     args.extend(['-E', test.exclude_annotation])
   if test.extra_flags:
     args.extend(test.extra_flags)
   if python_only:
     args.append('-p')
 
   RunCmd(['build/android/test_runner.py', 'instrumentation'] + args,
@@ skipping 198 matching lines @@
   if unknown_tests:
     return sys.exit('Unknown tests %s' % list(unknown_tests))
 
   setattr(options, 'target', options.factory_properties.get('target', 'Debug'))
 
   MainTestWrapper(options)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))