feat(//tools/perf): Refactor perf_run.py, add fx2trt backend support, usage via CLI arguments

[peri044]

Description

Refactor perf_run.py, add fx2trt backend support, usage via CLI arguments. Added a benchmark.sh which is used for internal perf regression testing.

Type of change

• New feature (non-breaking change which adds functionality)

Checklist:

• [x] My code follows the style guidelines of this project (You can use the linters)
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas and hacks
• [ ] I have made corresponding changes to the documentation
• [ ] I have added tests to verify my fix or my feature
• [x] New and existing unit tests pass locally with my changes
• [x] I have added the relevant labels to my PR in so that relevant reviewers are notified

[narendasan]

I think this branch needs to be rebased seems like the pre-commit was not run

[peri044]

Merging this PR as this doesn't affect the library. Please re-open incase you see any issues