Merge "setDeviceVolume: better logs, clears routing cache" into udc-dev am: b01e5d12

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22655947



Change-Id: I71fe908afd9838e0c695b092a409111e9bb2d04d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>