Properly clean up broadcast-receiver ANR

Specifically, if the only receiver component was disabled while the
broadcast was in flight *and* the app ANRed, we were failing to properly
abandon the broadcast and wound up stuck waiting for delivery completion
that would never happen.

Bug: 64854337
Test: manual
Change-Id: I9181830eca17981bf1ca403ac36f88c84c548360
1 file changed