[automerger skipped] RingtoneManager: verify default ringtone is audio am: ae281971 -s ours

am skip reason: Merged-In I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e with SHA-1 a67982c9 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21027348



Change-Id: I6ca0a8a3f8a3ee3f070974f2caa2ecb30351612f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>