Make sendOnScreenVisibility invokable
Make sendOnScreenVisibility invokable

Change-Id: I78b3576c60b02fc62df1201bc797b08dcd536b50
Reviewed-by: Samuel Rødal <99126055f8d73e4355b075213322026fa8c060bd@nokia.com>

ntanibata/qtwayland,locusf/qtwayland-1,ntanibata/qtwayland,locusf/qtwayland-1,locusf/qtwayland-1,Tofee/qtwayland,locusf/qtwayland-1,ntanibata/qtwayland,Tofee/qtwayland,Tofee/qtwayland