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

Merge "setDeviceVolume: better logs, clears routing cache" into udc-dev am: b01e5d12 am: 899d7410

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



Change-Id: I21698de59f71945643e672fc7e1daed4365f11b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>