[chromedriver] Write command line file to both /data/local and /data/local/tmp for Chrome on Android.

This supports the new feature where setting chrome as the debug app
causes Chrome to look for the command line file in tmp.

BUG=chromedriver:665
TEST=None

Review URL: https://codereview.chromium.org/138873003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247901 0039d316-1c4b-4281-b951-d872f2087c98
Ignore generated background windows in GetWebViewIds for affected builds on M33

BUG=

Review URL: https://codereview.chromium.org/148283009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@247913 0039d316-1c4b-4281-b951-d872f2087c98