Merge "[Bouncer] Force bouncer into portrait mode." into tm-dev am: b560e960

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18077199



Change-Id: I9295117f0722f84bc9a2dcb90305b52579fbe3e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>