Frameworks: Remove observer

thanks to Jens....remove PieLayout observer
completly

cheers

Change-Id: Icb722495b2d14c91b630f638f790dbcb14bbcef9
Frameworks: SlimPIE optimize optimize optimize

- stop listening on TelephonyManager if pie is disabled
- reuse already constructed SnapPoints
- pass trough mPieTriggerMask and mPieTriggerSlots
- a bit code cleanup

cheers

Change-Id: Ieef66e8cd7abe89cd419f2f368ef06f09d4e40b4

Conflicts:
	core/java/android/provider/Settings.java