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: 704284b8

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



Change-Id: I0f2232337eddf0399004d43a5d5b195c218e81bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>