Merge "AudioDeviceInventory: fix purge of device role cache." into udc-dev am:...

Merge "AudioDeviceInventory: fix purge of device role cache." into udc-dev am: cd5243dc am: a6b0a33b am: 47ff86b1 am: 753f4e9e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23712844



Change-Id: I89eee93cbd9fea27c445a81b762e78cf87ac4b39
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>