message: Use mirror for dependencies coming from download.tensorflow.org
  Reviewers: #tensorflow, georgep
diff: @@ -83,7 +83,7 @@ def _update_urls(ctx, original_urls):
  mirror = _get_env_var(ctx, "HTTP_MIRROR")
  if mirror:
  url = original_urls[0]
  - roots = ["mirror.tensorflow.org", "mirror.bazel.build"]
  + roots = ["mirror.tensorflow.org", "mirror.bazel.build", "download.tensorflow.org"]
  for r in roots:
  index = url.find(r)
  if index >= 0:
  