Add vulkan qualifier to the kernel name (#85714)
This helps with any post processing as well as distinguishing the kernel name
appearing in the chrome trace
Differential Revision: [D39473299](https://our.internmc.facebook.com/intern/diff/D39473299/)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/85714
Approved by: https://github.com/SS-JIA
