Merge "Making taskbar to stay stashed if user launches app for split screen...

Merge "Making taskbar to stay stashed if user launches app for split screen view  from all apps view" into tm-qpr-dev am: 4ffc7126

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20840305



Change-Id: Ia860db35051a564b00c6f1af54227fbda88ecad6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>