Merge "Don't bring child to top if fullscreen task open" into udc-dev am: bb4a8549 am: 3e43e4b4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23510399



Change-Id: Ic4c89a65ccbc4271e5de2ac8980788bfde86cf8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>