Swap fx2trt_oss to torch_tensorrt (#950) (#79115)
Summary:
X-link: https://github.com/pytorch/benchmark/pull/950
X-link: https://github.com/pytorch/fx2trt/pull/91
Reviewed By: yinghai
Differential Revision: D36958046
Pull Request resolved: https://github.com/pytorch/pytorch/pull/79115
Approved by: https://github.com/yinghai, https://github.com/842974287, https://github.com/malfet
