anv/wsi/x11: push device out of x11 connection fns.
anv/wsi/x11: push device out of x11 connection fns.

just pass the allocator/wsi_interface instead.

Reviewed-by: Jason Ekstrand <68c46a606457643eab92053c1c05574abb26f861@jlekstrand.net>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler