This API is used to rotate the contents of
application's buffer. But it is not needed
because an application can rotate its buffers
with set_buffer_transform request of
wl_surface interface.
Signed-off-by: Emre Ucan <eucan@de.adit-jv.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>