SystemUI: fix double tap to sleep not working with secure lock screen

Double tap to sleep on status bar would only work on secure lockscreens if the
slider brightness control was enabled.

Change-Id: I7c4dc5b2f559aafae819422d747f92ac59631ffd
Signed-off-by: Roman Birg <roman@cyngn.com>
Themes: Allow theming navbar bg color

Change-Id: I256afc30fc018ea752769029c5246bc7310c23a6
settings: Fix loading of some initial values

Change-Id: I41658dd8dc3f31b4463ae4d4f3cd6f480a0ccba3
Fix systemui crash on boot

The process com.android.systemui would crash after phone booting with a
java.lang.NullPointerException when the signal status style is set to text

Change-Id: Ia7b58fa93b8591d0571b90a57a2fe0fe823b3f45
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0