DO NOT MERGE: Audio: log LE Audio device made avaliable/unavaliable am: 6252b8c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21465678



Change-Id: I069988234771a0ba96350175d194d038ddd6933d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>