PIE: compressed layout, stubs, new defaults

Change-Id: I6572adef19ee608fd09dc9f56e1b80123ede2b3d

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/view/PieMenu.java