ivi-shell: use weston_output in public APIs

IVI layout APIs now are called with weston_output pointers,
instead of ivi_layout_screen pointers.

Signed-off-by: Emre Ucan <eucan@de.adit-jv.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Acked-by: Wataru Natsume <wnatsume@jp.adit-jv.com>
4 files changed