Merge "Improve exit transition for task close case" into tm-qpr-dev am: 2e075980

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22162082



Change-Id: I033ea8e7f017588e685e81ec03044b3681216a2b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>