Don't throw uri exceptions for user chosen sounds

Bug: 109889733
Test: runtest systemui-notification
Change-Id: I5ed599deca83f97899affce44e3ed8fbcacae366
(cherry picked from commit 218871ee3ffffea964658be327ffd06e1e3eed61)
(cherry picked from commit 89945c5a222ab2761ab086588c1ac5434cca661f)
3 files changed