StayAwake Toggle : Avoid Loss of User Setting

Should disable the tendency to revert to 30
        second timeout if SystemUI dies
        while stayawake is enabled

PS2: Fix
PS5: Dependency
Change-Id: I42e0edb96eeccce690481df1a0cd6e4767ac486e

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/toggles/StayAwakeToggle.java
fix build after overhaul