Merge "Add the return branch when ringtone position is POS_UNKNOWN" am: 1e97308138 am: e2cfc0393b am: 3ee2ef20c0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1426650

Change-Id: I955f0fa0f9312c60d043dbd964a9baffcf941caf