Make callback based rendering selectable in EGL wayland platform

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Add resize support to EGL wayland platform

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Fix typo

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Update size behavior in EGL platforms

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Send expose, stop-mainloop, and call-resize-cb commands through X11

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>