Merge "Fix not showing system bars in split screen" into tm-dev am: e599671f...

Merge "Fix not showing system bars in split screen" into tm-dev am: e599671f am: 39f3e41d am: b1f5c8dc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18186213



Change-Id: I9665ebf3ecbdc0caab4ccca80141c4a93f144485
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>