SystemUI: Add double tap to sleep gesture

hange-Id: I4c54718e8ec8774677d13917b3a7ffa3b4b18cb5

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: Ibec659296e1ab358bc16836ce0c9d0ff33197d3b
Signed-off-by: DHOMD <DHO@dho.im>
Merge "SystemUI: Add double tap to sleep gesture" into kk44