PIE: improved touchhandling, no emptyangle, better animations

Change-Id: I9812194e48c9dd0f743e4e7b39f785892db0a261

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/view/PieMenu.java
PIE: compressed layout, stubs, new defaults

Change-Id: I6572adef19ee608fd09dc9f56e1b80123ede2b3d

Conflicts:

	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/PieControlPanel.java