Merge "Fix launch adjacent behavior if split background" into udc-dev am: 741dd914 am: 700e57e0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23367664



Change-Id: Id491e9f13d46871e377c1b0eb50b27303e0b6d35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>