LSN: Don't try to add a view that isn't found to the removelist.

Change-Id: Id1e082a55c3e2758dc569eb2eace33269e3a3560
LSN: double-remove fix: hard derp

Change-Id: Ic1abb6c3cd2f1026ed23873ab8c663374229dc76
LSN: avoid re-concatenation of notifications' mNotifications key

Change-Id: I3ba60f92698548dc2ef50e82f5f4c9279357e182

Conflicts:
	packages/Keyguard/src/com/android/keyguard/NotificationHostView.java