Fix NPE in Settings -> Language & input -> Default -> Setup input
methods

If the InputMethodAndLanguageSettings fragment is launched in IME-only
mode, it removes most preferences, so we need to null-check them before
use.

Change-Id: I297cc9c6885f62ed6ff65937ef5da401ab7cd271
JIRA:CYAN-896
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