National Roaming: Allow T-Mobile AT (MNC03) to roam on 3 AT (MNC10) in Austria

Change-Id: Ief827259fdcb5bfa13bd643f80a8547a56cc934c
CM11 Themes: remove handleThemeConfigChanges

This was used by the T-Mobile theme chooser and is no longer
needed with the new chooser.

Change-Id: I035606ffe6cb3efc82a3a0ce79215509d8289503