[Vulkan] output benchmark numbers for aibench parsing (#89949)
Add this util so as to easily benchmark shaders and summarize the output.
Eventually the shader benchmarking should obsolete the need for this.
Differential Revision: [D41244028](https://our.internmc.facebook.com/intern/diff/D41244028/)
**NOTE FOR REVIEWERS**: This PR has internal Meta-specific changes or comments, please review them on [Phabricator](https://our.internmc.facebook.com/intern/diff/D41244028/)!
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89949
Approved by: https://github.com/digantdesai, https://github.com/salilsdesai
