[bench] Adding a cpp benchmark to compare performance of nnc with static and symbolic shapes (#72197)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/72197
Test Plan: Imported from OSS
Reviewed By: huiguoo
Differential Revision: D33951742
Pulled By: navahgar
fbshipit-source-id: 0412d61da158e98429f377469e1c331587390b14
(cherry picked from commit c043fdfc79d9fb53424eef4f9a7f1712573bd10c)