Explicitly allow BAL from notifications and status bar.

This does not change the current behavior, but makes sure future changes
to the BAL logic don't prevent starting PendingIntents of
non-privileged apps when the user explicitly expects this to happen.

Change-Id: I8dd530e9d81ddac554f8990e7a3c2dbd188d2704
Test: atest OpenAppFromNotificationWarm
Bug: b/244637991