[ONNX] Support clamp_min and clamp_max (#37872)
Summary:
clamp_min is used in `torch.nn.functional.normalize`. Update symbolic_opset11 to support with updated clip in onnx opset 11.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37872
Reviewed By: hl475
Differential Revision: D21440450
Pulled By: houseroad
fbshipit-source-id: a59cbec3f4d00c3f6654da6a747fbfca59d618f1
