Add internal marker for GetTextureData on Vulkan
Add internal marker for GetTextureData on Vulkan

Zorro666/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,baldurk/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,baldurk/renderdoc,Zorro666/renderdoc