Merge "SeekBarVolumizer: fix handling of routing change" into tm-qpr-dev am: c82fa1ff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22133032



Change-Id: I4e4ad012c24f5c406aaf55467224b46dc01b0ea4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>