Vulkan descriptor and descriptor layout cache. (#42642)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/42642
Test Plan: Imported from OSS
Reviewed By: IvanKobzarev
Differential Revision: D23252337
Pulled By: AshkanAliabadi
fbshipit-source-id: 075acc8c093e639bb24a0d4653d5c922b36a1128
