Merge "Send targeted broadcasts to prevent other apps from receiving them."...

Merge "Send targeted broadcasts to prevent other apps from receiving them." into qt-dev am: 0925f07c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15053176

Change-Id: I09a0140925f7c851ff64a131c5ad233161b91625