[ONNX] Export new_zeros (#34077)
Summary:
ONNX export for new_zeros op added.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34077
Reviewed By: hl475
Differential Revision: D20332074
Pulled By: houseroad
fbshipit-source-id: 4235c4f2c279c37aa8dde6d13c1b26f621967768
