Active display: Allow apps to be excluded from being displayed [1/2]

This has been a highly requested feature so I guess it's about time
we implement it :).

Change-Id: I5c334833b78325733ae076c07afccebb02758ead

Conflicts:
	core/java/android/provider/Settings.java
Active Display: Force portrait orientation

Change-Id: I5047444b9b0ef4278375cb07d28fbf476f2e386e
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>