Fix starting Telemetry tests on Android with profile

To match desktop behaviour; when asked to save or restore a profile save or restore the whole of the browser's data directory, except for the lib subdirectory.

BUG=313184

Review URL: https://codereview.chromium.org/50493010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235212 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235212