Merge "Attaching broadcast receiver on attach/detach instead of everytime...

Merge "Attaching broadcast receiver on attach/detach instead of everytime visibility changes" into sc-dev am: 27500d78

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14648155

Change-Id: I26133a553000b635cbfaea14f9287b7eb1f444b0