Merge "Use correct filename when adding to ringtone" am: daff857f

        // Find a filename. Throws FileNotFoundException if none can be found.

        final File outFile = Utils.getUniqueExternalFile(mContext, subdirectory,

                Utils.getFileDisplayNameFromUri(mContext, fileUri), mimeType);

                FileUtils.buildValidFatFilename(Utils.getFileDisplayNameFromUri(mContext, fileUri)),

                        mimeType);

        // Copy contents to external ringtone storage. Throws IOException if the copy fails.

        try (final InputStream input = mContext.getContentResolver().openInputStream(fileUri);