Vulkan: Move SPIR-V set up to link job Bug: angleproject:8297 Change-Id: I2c7eb0281d181560c8fa3ace007b1e547b6cf18e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4764619 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Yuxin Hu <yuxinhu@google.com>