Revert "PIE: slight style change"

This reverts commit 3eae23ba7f34c234968345e7a41050a2297ad3af.

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/Halo.java

Change-Id: I94a1b9da317608c6f4d8aa0cedfa07c9bbb4ed72

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/view/PieMenu.java