Change the export of _dim_arange in ONNX (#20078)
Summary:
Previously using ATen op, now fully switched to pure ONNX/Caffe2 ops.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/20078
Reviewed By: zrphercule
Differential Revision: D15188774
Pulled By: houseroad
fbshipit-source-id: 8ae3094369497e2f3ebf478cda222b73de2a995e
