Merge "Revert "Only allow root/system UIDs to send broadcast to unexported...

Merge "Revert "Only allow root/system UIDs to send broadcast to unexported receiver"" into tm-dev am: aea49e77 am: bca86998 am: 42e926ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17573848



Change-Id: I98b412d0907d6d23d2721665e74e5b0d8f20464a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>