Merge "Fix launch adjacent behavior if split background" into udc-dev am: 741dd914 am: 5980f2b7

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



Change-Id: Ica03f532aa3445f64bc632f5711703be7bc8cfc4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>