Merge "Always abort a rejected multiwindow request" into udc-qpr-dev am: b476c59d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24636630



Change-Id: I058c24ed333e386164453a21271b42c497ec4e1a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>