e_comp_wl: don't show a below_obj if ec is not visible.
e_comp_wl: don't show a below_obj if ec is not visible.

Change-Id: I83dfc6bd2c3097185c737a6ced536540565c694a
Signed-off-by: kyoungsik park <9bf1a7f57fb88b77e7aeb7933d3c9d92a047a35a@samsung.com>
Signed-off-by: Boram Park <1c3335f54d691154da8acf6178e25a27f54bbbb0@samsung.com>

tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment,tizenorg/platform.upstream.enlightenment