Merge "Bring other Desktop apps to front when opening a new one." into tm-qpr-dev am: c13fc2d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20068761



Change-Id: Ica4f89cc7ede0c9b8b00e9f3bb64f9aabb05eff4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>