[vulkan] convolution old prepacking via cpu-shader (#48330)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/48330
Test Plan: Imported from OSS
Reviewed By: SS-JIA
Differential Revision: D25131500
Pulled By: IvanKobzarev
fbshipit-source-id: b11edb94a78f5d6283c7be1887d72a4ca624a9ab
