NotificationHelper: Create broadcast receiver for Peek app

Change-Id: I9a5e2ddc4db10746203972e4f024d31344f82727
[1/2] Prepare NotificationManagerService for new format

* Needed for blacklisting

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Change-Id: I7801d65016aa949a5e2406e00871229a602829b9

Conflicts:
	services/java/com/android/server/NotificationManagerService.java
Apps: Add blacklist interface [1/2]

Include peek and floating mode implementations.
Applies to every floating mode launch way.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Change-Id: Ica523625c9061cf9c8d6c3d7df4acf6a125c4ead

Conflicts:
	core/java/android/app/INotificationManager.aidl
	packages/SystemUI/res/values/cr_strings.xml
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java