[automerger skipped] RingtoneManager: verify default ringtone is audio am: 88f5aae54c -s ours

am skip reason: Merged-In I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e with SHA-1 38618f9fb1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21027159

Change-Id: Ifae57fccf59ac82b9c6748e67e92169223391bd0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>