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

Merge "Volume: Hide dialog when motion cancelled, as well as when finished." into tm-qpr-dev am: f597a6c3 am: fb968542 am: 1567e77c am: 23c38a3c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21940803



Change-Id: I25df09a7fb171fc341182f4f446954ddb4f9a0c6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>