Merge changes from topic "shell-transition-bugreport" into udc-dev am: 42df3d41

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22707463



Change-Id: I01bbca470dda69aaba47cb63c6015c3f49568acb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>