x11: Use compositor time, not X event time
x11: Use compositor time, not X event time

X event time is not compatible with wlsc_compositor_get_time().

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