message: Auto roller: send trooper notifications only when
  Cr-Commit-Position: refs/heads/master@{#31713}
diff: @@ -603,11 +603,11 @@ def _UploadCL(commit_queue_mode):
  - 1: Run trybots but do not submit to CQ.
  - 0: Skip CQ, upload only.
  """
  - cmd = ['git', 'cl', 'upload', '--force', '--bypass-hooks', '--send-mail']
  - cmd.extend(['--cc', NOTIFY_EMAIL])
  + cmd = ['git', 'cl', 'upload', '--force', '--bypass-hooks']
  if commit_queue_mode >= 2:
  logging.info('Sending the CL to the CQ...')
  cmd.extend(['--use-commit-queue'])
  + cmd.extend(['--send-mail', '--cc', NOTIFY_EMAIL])
  elif commit_queue_mode >= 1:
  logging.info('Starting CQ dry run...')
  cmd.extend(['--cq-dry-run'])
  