Android: enable sandbox_linux_unittests by default.

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)
@@ skipping 48 matching lines @@
 from pylib.utils import xvfb
 
 
 _TEST_SUITES = ['base_unittests',
                 'cc_unittests',
                 'content_unittests',
                 'gpu_unittests',
                 'ipc_tests',
                 'media_unittests',
                 'net_unittests',
+                'sandbox_linux_unittests',
                 'sql_unittests',
                 'sync_unit_tests',
                 'ui_unittests',
                 'unit_tests',
                 'webkit_compositor_bindings_unittests',
                 'android_webview_unittests',
                ]
 
 
 def FullyQualifiedTestSuites(exe, option_test_suite, build_type):
@@ skipping 336 matching lines @@
   # 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.exit_code:
     return failed_tests_count
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))