Merge "Refrain from blocking main thread while handling package broadcast"...

Merge "Refrain from blocking main thread while handling package broadcast" into tm-qpr-dev am: 0273cc68 am: bdecece3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19092042



Change-Id: I3e2d518962636d637d4e194c9dc8c7c450c01fd3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>