[automerger skipped] Merge "RingtoneManager: verify default ringtone is audio" into sc-dev am: 9fef491b90 -s ours am: 9e995f557c -s ours am: 0404c24f24 -s ours

am skip reason: Merged-In I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e with SHA-1 30c9b4efb9 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21027119

Change-Id: I8bad3f557a1abfe43b2cc214fc57f34d4c391698
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>