Update compositor initiated resize to use a 3x3 grid
Update compositor initiated resize to use a 3x3 grid

This lets us do all combinations of resize edges.

eyolfson/wayland,mchalupa/weston,kwm81/weston,eyolfson/wayland,udoprog/weston,Tarnyko/weston-xdg_surface_present,tulcod/wayland,xorgy/weston,tulcod/wayland,eyolfson/wayland,abooij/wayland,mchalupa/wayland,sir-murray/weston,Fantu/compositor-spice,krezovic/weston,kwm81/weston,bitfactor/wayland,Tarnyko/weston-xdg_surface_present,eyolfson/weston,mchalupa/weston,eyolfson/weston,xorgy/weston,mchalupa/wayland,tulcod/wayland,abooij/wayland,jonnylamb/weston,bitfactor/wayland,sir-murray/wayland,sir-murray/weston,sir-murray/wayland,mchalupa/wayland,Fantu/compositor-spice,Gnurou/weston,krezovic/weston,Gnurou/weston,abooij/wayland,sir-murray/wayland,giucam/weston,giucam/weston,Fantu/compositor-spice,bitfactor/wayland,jonnylamb/weston,udoprog/weston