Merge "Hide the new bouncer message views by default" into udc-dev am: 38de7c47

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23504767



Change-Id: Id811c6efc57dad6e6cba6d3ac2546ed81b91fbda
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>