[vulkan] jit passes for vulkan conv2 prepack and fuse with clamp (#39282)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/39282
Test Plan: Imported from OSS
Differential Revision: D21962424
Pulled By: IvanKobzarev
fbshipit-source-id: 2d20e827d2c3836b7e6b443293377c68dc1ffa5a
