[automerger skipped] Merge "RingtoneManager: verify default ringtone is audio" into rvc-dev am: 0e3093b2 -s ours am: a810c47b -s ours am: 964e3b62 -s ours am: 2cc01d25 -s ours

am skip reason: Merged-In I3f2c487ded405c0c1a83ef0a2fe99cff7cc9328e with SHA-1 ae281971 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21027192



Change-Id: I844dad5d316f42887d63f0197e0158a54f81b7e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>