add speed benchmark binary for torch jit (#25486)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25486
Reland PR #25230.
Test Plan: Imported from OSS
Differential Revision: D17137095
Pulled By: ljk53
fbshipit-source-id: 3b258e29e16d03ef24b5b49d9b67b72257f0f3a8
