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: Icc4944965b63b4a7266f518620e1e32207b1164e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>