Settings: Add translatable false tag

Added translatable false tag to auto_brightness_brightness_format
and removed it in any other languages

Change-Id: Ia0b00209186baa5eccb2f9882f5ba97240de9aa8
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1
Merge remote-tracking branch 'sgt7/cm-10.1' into cm-10.1-sgt7