[automerger skipped] Merge "RingtoneManager: verify default ringtone is audio" into tm-qpr-dev am: 1e91c08ce0 -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: Ib73d5413957184bf6a39ce50bbb00bc9ba6afeed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>