Add more modes for volume updates am: 6642aecb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19514729



Change-Id: I8a39f3d487547d01206102352c70735b60c30a80
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>