Merge "Merge "Move the pinned task to front when dismissed split-screen" into...

Merge "Merge "Move the pinned task to front when dismissed split-screen" into rvc-dev am: 92d8d6c3 am: c10b144b am: ea838912" into rvc-qpr-dev-plus-aosp am: 33a005d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12034169

Change-Id: I5285bf4a8a7fbe6443f6b27befd729f52666d7f2