Add permission that allows cancelling notifications from other apps.

Change-Id: I055b17873e174f71174898a7649b1e221fd8c436

Conflicts:
	core/res/res/values/cm_strings.xml
Notification cancellation fixes:
Permission should only allow cancellation of other app notifications, not enqueueing.
Fix checkapi breakage.

Change-Id: Idbcfd4617057984250dc4d4fa32ff55bfbb155e2
Prevent notification acces via HALO on protected lockscreens
Don't show pinned Halo))) apps on PIE (hide count, icons and text)
Enable Bare style PIE on protected lock screen
Merge remote-tracking branch 'carbon/jb2' into jb2