am 58d19d1f: Merge change 7581 into donut

Merge commit '58d19d1f6321161fdcd10140fe7b9d9053f80bd2'

* commit '58d19d1f6321161fdcd10140fe7b9d9053f80bd2':
  Fix bug that would cause files with blank title tags to not be shown in the music app.