public void writeMetadataFile(String name, String data) throws IOException {
    byte[] out = data.getBytes();
    mReportArtifactsManager.recordFile(name, out);
  }
Same as the public getScreenshotFile() except it returns the File even if the screenshot
doesn't exist.
core/src/main/java/com/facebook/testing/screenshot/internal/AlbumImpl.java