[vulkan] Migrate to new command dispatch interface for all ops (#80722)
Part of a refactor of the Vulkan codebase.
Differential Revision: [D37125678](https://our.internmc.facebook.com/intern/diff/D37125678/)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/80722
Approved by: https://github.com/kimishpatel
