message: Fix CPD upload script --input-results-file description
  No-Try: True
  No-Presubmit: True
  Cr-Commit-Position: refs/heads/master@{#34394}
diff: @@ -50,7 +50,8 @@ def _CreateParser():
  help='Which dashboard to use.')
  parser.add_argument('--input-results-file', type=argparse.FileType(),
  required=True,
  - help='A JSON file with output from WebRTC tests.')
  + help='A HistogramSet proto file with output from '
  + 'WebRTC tests.')
  parser.add_argument('--output-json-file', type=argparse.FileType('w'),
  help='Where to write the output (for debugging).')
  parser.add_argument('--outdir', required=True,
  