Merge "[Bouncer] Separate keyguard message areas." into tm-qpr-dev am: 87c84cb8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19802198



Change-Id: I360f557f11cde6c0d05f5a4f4c0b9002d1d8add7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>