refactor caffe2 operator constructors - 1/9 (#17082)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17082
clangr codemod
Reviewed By: ezyang
Differential Revision: D14078498
fbshipit-source-id: f7f65d6d81c7942293f53fdaa61f756d8b7360c1
