ivi-shell: bugfix, update event_mask when new propertiy is not same as before.

In previous code, it sends notification whenever setter calls. This
patch fixs that notification will not happens if there is no change of
properties by setter.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
1 file changed