Default to apk tests in run_tests.py

build/android/run_tests.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Runs all the native unit tests.
 
 1. Copy over test binary to /data/local on device.
 2. Resources: chrome/unit_tests requires resources (chrome.pak and en-US.pak)
    to be deployed to the device (in /data/local/tmp).
@@ skipping 435 matching lines @@
                            'tests that hang to add to the disabled list, '
                            'there is no need to redeploy the test binary '
                            'or data to the device again.  '
                            'Don\'t use on bots by default!')
   option_parser.add_option('--repeat', dest='repeat', type='int',
                            default=2,
                            help='Repeat count on test timeout')
   option_parser.add_option('--annotate', default=True,
                            help='Print buildbot-style annotate messages '
                            'for each test suite.  Default=True')
-  option_parser.add_option('--apk', default=False,
-                           help='Use the apk test runner '
-                           '(off by default for now)')
+  option_parser.add_option('--apk', default=True,
+                           help='Use the apk test runner by default')
   options, args = option_parser.parse_args(argv)
   if len(args) > 1:
     print 'Unknown argument:', args[1:]
     option_parser.print_usage()
     sys.exit(1)
   run_tests_helper.SetLogLevel(options.verbose_count)
   failed_tests_count = Dispatch(options)
 
   # If we're printing annotations then failures of individual test suites are
   # communicated by printing a STEP_FAILURE message.
   # Returning a success exit status also prevents the buildbot from incorrectly
   # marking the last suite as failed if there were failures in other suites in
   # the batch (this happens because the exit status is a sum of all failures
   # from all suites, but the buildbot associates the exit status only with the
   # most recent step).
   if options.annotate:
     return 0
   else:
     return failed_tests_count
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))