[vulkan] Integrate refactored memory mapping, remove Tensor Future pattern (#80707)
Part of a refactor of the Vulkan codebase.
Differential Revision: [D36863390](https://our.internmc.facebook.com/intern/diff/D36863390/)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/80707
Approved by: https://github.com/kimishpatel