Revert "Display: Dirty region propagation"

This reverts commit 9009bc6ba33a45a03129c3cb3a324c3610a5ff2b.
Set immersive mode through profiles (1/2)

thanks to @cypressious

Change-Id: I56df3c83b1e7b75004a6fe6ad160305774440a5a
Show panels on lockscreen in global immersive mode.

Change-Id: Iaa2d712130707169c7a08156f8ea5afc247fc4cf

Conflicts:
	core/java/android/provider/Settings.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java