Merge "Revert "Volume: Hide dialog when motion cancelled, as well as when...

Merge "Revert "Volume: Hide dialog when motion cancelled, as well as when finished."" into tm-qpr-dev am: f05f8790

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21985928



Change-Id: Ia9c3af6f09a1804eecc128ff418a16917fab6bde
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>