Merge "Set TvBottomSheetActivity as unrestricted keep-clear area" into tm-dev am: 7a662cfb am: bc33153b am: 11c9d6c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18177605



Change-Id: I2bacc5c0f889e673a249e6101ae1a2db98a760e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>