Merge "Add Tv Pip rounded corners tray" into tm-dev am: b26603d0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17378166



Change-Id: I691802739ab852481a3543094c006716f00695df
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>