Merge "[automerge] Add a single-top root task for split screen 2p: d6b42472"...

Merge "[automerge] Add a single-top root task for split screen 2p: d6b42472" into tm-mainline-prod am: e79ce4ac

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16984823



Change-Id: I701e6edb2d036f5478d2576f85f6c209d02c826f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>