message: Fix timout message while uploading to the dashboard
  No-Presubmit: True
  Cr-Commit-Position: refs/heads/master@{#32686}
diff: @@ -253,5 +253,6 @@ def UploadToDashboard(options):
  str(resp_json)))
  return 1
  - print('Upload wasn\'t completed in a given time: %d.', options.wait_timeout)
  + print('Upload wasn\'t completed in a given time: %d seconds.',
  + options.wait_timeout_sec)
  return 1
  