Merge "Check if apps are currently in pip before launching split screen" into...

Merge "Check if apps are currently in pip before launching split screen" into 24D1-dev am: 2cea58c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/27182104



Change-Id: I748b381625d1b31578bbede62c91f8762f01e977
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>