[vulkan] Enable prepacked addmm/mm for linear layers (#47815)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/47815
Test Plan: Imported from OSS
Reviewed By: IvanKobzarev
Differential Revision: D24908605
Pulled By: SS-JIA
fbshipit-source-id: e658bc2dbf23d5d911b979d3b8f467508f2fdf0c
