Check package permission for the correct userId.

Previously, we were always checking the permission state
in the system user, rather than the user associated
with the standby bucket decision.

Bug: 383505585
Test: atest android.app.cts.ActivityManagerTest#testBroadcastReceiverLRUPosition
Flag: EXEMPT bugfix
Change-Id: I71b5d376b074f743b0ce8469a1098a513a964f2e