allow widgets to minimize in extended desktop

Change-Id: I666f61644386ff10631185324f445a750571b104
derp

Change-Id: I83441eb7dbd8daedde5bdf4247d4b5445a8886c0
PIE: narrow down inner arcs for even gaps

Change-Id: I92122efa1e2571b5f4efc84bbb9833987846dbd0

Conflicts:

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