Timing cache for Tensort (#67214)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67214
This is draft for creating timing cache for tensorrt.
Reviewed By: yinghai, 842974287
Differential Revision: D31783757
fbshipit-source-id: 211ab68df0832120fa637304e4a7ece80d26f9b1
