Merge "Handle a pair of hearing aid devcies" into rvc-dev am: 93e4930a97 am: 81d14d3d6e am: 8bf90c041b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11833792

Change-Id: Id1f6788cf82bbab83ce8bc6e5e91cfd2427f0e09