Merge "statsd: Add audio device usage protos." into rvc-dev am: 8cda481f am: 59637517 am: 291922ef

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11602068

Change-Id: I40fba080c47e08259b146604a4f881980ffdca2e