Vulkan: Fix overlay with command graph disabled. Also fixes the missing RenderPass count in the new command recorder. Bug: angleproject:4029 Change-Id: If7f0cf9e80ef815781ad2684ad1d93a3ed4912ad Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2037786 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Tobin Ehlis <tobine@google.com> Commit-Queue: Jamie Madill <jmadill@chromium.org>