[polymer] Merge of master into polymer10-migration

telemetry/telemetry/internal/backends/android_command_line_backend.py

 # 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.
 
 import logging
 import pipes
 import sys
 
 from devil.android import device_errors  # pylint: disable=import-error
 
@@ skipping 86 matching lines @@
     else:
       self._WriteFile(self._saved_command_line_file_contents)
 
   def _ReadFile(self):
     if self._device.PathExists(self.command_line_file):
       return self._device.ReadFile(self.command_line_file, as_root=True)
     else:
       return None
 
   def _WriteFile(self, contents):
+    logging.info('Android app/browser startup args: %s', contents)
     self._device.WriteFile(self.command_line_file, contents, as_root=True)
 
   def _RemoveFile(self):
     self._device.RunShellCommand(['rm', '-f', self.command_line_file],
                                  as_root=True, check_return=True)