[automerger skipped] Merge "RingtoneManager: verify default ringtone is audio" into sc-v2-dev am: e49a9b66c7 -s ours am: 9ea0032969 -s ours am: 14256cb997 -s ours

am skip reason: Merged-In I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e with SHA-1 b8c2d03b72 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21027271

Change-Id: Ibc81e6b7ac07352ea35f069b122a375c4c1fb326
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>