Merge "Fix transition when leaving a split pair by home key" into udc-dev am: a9e39d51

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22325028



Change-Id: Idd88923c3c227b29c9be46c7e88d61449d8c6acf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>