Revert "Add permission that allows cancelling notifications from other apps."

Change-Id: I4eaf3eedacc99db47da384ecb976fe8ef6a97209
Add SMS Middleware layer.

Add fix so ordered broadcasts are delivered to system
apps first in the event of a tie. This works around
the issue where terrible apps steal SMS notifications
from the broadcast queue to simply prevent notifications
that could otherwise be removed by a toggle.

Change-Id: I30e38c6c27d339d55a8f9a0f4106185356a9b9a0
Keyguard: disable music transport control debug

Change-Id: Ia4361d0850334dc0944559c40409c9062cf02e47
increase touch sensitivity

Change-Id: I77e6aeca3667808e630dc142a2e561d3ddddef80
clear all recents button

Change-Id: I763085fd21635afe851c51952136635f165d7471

Conflicts:
	packages/SystemUI/src/com/android/systemui/recent/RecentsHorizontalScrollView.java

Cherry pick from vanir