UIModes and DPI groups (2/3)

Change-Id: I36fa78a55bcb68c8d626e1995e551241b2bc3c40
Signed-off-by: scotthartbti <scott.hart.bti@gmail.com>

Conflicts:
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java

Conflicts:
	core/java/android/app/ActivityThread.java
	core/java/android/content/res/AssetManager.java
	core/java/android/content/res/Configuration.java
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java