Vulkan: Remove std::vector arg from beginRenderPass. We don't want to force the RenderPass code to use std::vector when we are working with static data. Change it to take a pointer. Bug: angleproject:2264 Change-Id: I07a077719fb9b4abc33a0cfcccc178d0544b7f06 Reviewed-on: https://chromium-review.googlesource.com/789535 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>