Merge "Validate ringtone URIs before setting" into udc-dev am: 410fe2f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/24969251



Change-Id: I4e52611bce13f21ccafddd730509f8da21495731
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>