Dark UI: BeerGang goes TRDS

All credits to SlimRoms!

Change-Id: I9089ee86587fb33706eb5a4dcc8f38427336b25e

Conflicts:
	core/java/android/provider/Settings.java
	services/java/com/android/server/UiModeManagerService.java

Conflicts:
	core/java/android/provider/Settings.java
	services/java/com/android/server/UiModeManagerService.java