Vulkan: Dynamic state for depth test/write/op Bug: angleproject:5906 Change-Id: Ie48a0780406c6dbbdd47639f2e185dc854879140 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3646429 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Yuxin Hu <yuxinhu@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>