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: f00aeb1c am: a323b2b1 am: 6d97e40b

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



Change-Id: Ia1ba207b03089f8cef38a2a64633ea6ffb29019e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>