am 8cf90a69: am 59e335fd: am 29911cb5: Merge "Temporary workaround for intermittent MediaStore_FilesTest failure" into lollipop-mr1-cts-dev

* commit '8cf90a6990fc3c482b8412a9230d0218c9a0f77b':
  Temporary workaround for intermittent MediaStore_FilesTest failure