Merge "[Bouncer] Force bouncer into portrait mode." into tm-dev am: b560e960 am: 4588524a am: eaa1d5f3 am: 81f80a54

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



Change-Id: I83fcdf3dea003e22fcb79797f506b724b65bd9b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>