Merge "Revert "Make broadcast protected"" into rvc-d1-dev am: 243cd3ec am: 20d70277 am: 2a888d33

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

Change-Id: Iaa5451308bda0038c9d754fe2be5ef68cec22547