[Vulkan] Add reflection_pad2d to Vulkan (#53604)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/53604
Test Plan: Imported from OSS
Reviewed By: AshkanAliabadi
Differential Revision: D27098310
Pulled By: SS-JIA
fbshipit-source-id: efb6692d20edcab06907d12ad0121676876216dc
