compositor-wayland: Expose zlinux_dmabuf

This mirrors what 5ffb440c3fe19669de73e51b90ea337fa2d5ae78 did for
compositor-x11, and allows testing without having to restart the
compositor-drm everytime.

Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
1 file changed