Settings: disable lockscreen settings appropriately

Give visual feedback on which features are unavailable
with the new lockscreen style.

Change-Id: I05b905e9a6e48d884943156b2dedc93ceee57bc4
Signed-off-by: Roman Birg <roman@cyngn.com>
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0