egl-X11: Put RGBA visuals in the second config selection group
Split out from !9989: use the new EGL_EXT_config_select_group
extension to change the order configs, putting RGBA configs last in order so apps don't pick them unintentionally.
Split out from !9989: use the new EGL_EXT_config_select_group
extension to change the order configs, putting RGBA configs last in order so apps don't pick them unintentionally.