Merge "Revert "Make broadcast protected"" into rvc-d1-dev am: 243cd3ec1a am: 20d70277c5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12241970

Change-Id: I7a967718ba50b7699ed34a8b85125029e33bc0e7