Vulkan: merge bindGraphics/ComputeDescriptorSets The two called bindDescriptorSets with a fixed GRAPHICS or COMPUTE bind point enum value. The differentation however would result in unnecessary code duplication with upcoming compute support. Bug: angleproject:3562 Change-Id: Ica4400c573a90fda168c64ad777d87aa83256e48 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1703524 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>