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: 7d5099d5

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



Change-Id: I160861679561efa7fc8dff18b1ae583d8d1761e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>