Add ONNX Export Support to floor_divide (#31081)
Summary:
Adding support for the new ATen op floor_divide which was introduced in https://github.com/pytorch/pytorch/pull/30493/files.
This operation is used in Torchvision/FasterRCNN-MaskRCNN, which are now failing after the new op was introduced.
This PR fixes the failure.
cc: neginraoof
Pull Request resolved: https://github.com/pytorch/pytorch/pull/31081
Reviewed By: houseroad
Differential Revision: D18945316
Pulled By: eellison
fbshipit-source-id: 09919c237d618ce7db293c7770f48f7304949dcf
