Merge "Add broadcast receiver to listen for safety center flag changes" into tm-dev am: 37951206

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17354941



Change-Id: I82166302d98bc261e129a1e30db87874c0d00335
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>