Dialer: restore full compatibility with theme chooser

Change-Id: Id6d3d7d97d5c136779711eca66cc29cf59a2e205
Re-add LoaderCallbacks to CyanogenMod dialer

Change-Id: Ie785e9a95b45cbc196f48763bd132d3f3218bd97
Merge "Re-add LoaderCallbacks to CyanogenMod dialer" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into wszf