SystemUI QuickSettings: Allow more off-status localizations

Create strings for NFC off and Sync off so that they can be localized
appropriately.

This is a continuation of: http://review.cyanogenmod.org/#/c/30327/

Change-Id: I070310868147af84b10d15c7d872f6d43120434b
Merge "SystemUI QuickSettings: Allow more off-status localizations" into cm-10.1