Listening to package broadcast on all users

When a package is added or removed on a secondary user, the broadcast
was not being processed, leading to inconsistent state, like lingering
defunt alarms and stale exact alarm candidates.

Test: atest FrameworksMockingServicesTests:com.android.server.alarm

Bug: 218868406
Change-Id: I1f1b9a5b8f63d6564c9e121bee7d6d6d697b471d
Merged-In: I1f1b9a5b8f63d6564c9e121bee7d6d6d697b471d
(cherry picked from commit 6c9df302)