Change home vk layer path to use $XDG_DATA_HOME if present. Refs #723
Change home vk layer path to use $XDG_DATA_HOME if present. Refs #723

michaelrgb/renderdoc,cgmb/renderdoc,TurtleRockStudios/renderdoc_public,baldurk/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,cgmb/renderdoc,cgmb/renderdoc,baldurk/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,etnlGD/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,googlestadia/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,cgmb/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,baldurk/renderdoc,baldurk/renderdoc,michaelrgb/renderdoc,baldurk/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,cgmb/renderdoc,googlestadia/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,TurtleRockStudios/renderdoc_public