robot: unbreak - setting value doesn't trigger input event
robot: unbreak - setting value doesn't trigger input event

Broken since e299a57a72ee786818cad4f9b8e3aea3b6fb8544

Polling replaced by input event. Polling was a catch all - it checked
value change. catching events requires they be thrown, so throw an input
even explicitly from robot.

Rhizi/rhizi,yuvadm/rhizi,shlomif/rhizi,tlevine/rhizi,Rhizi/rhizi,ozFri/rhizi,ozFri/rhizi,shlomif/rhizi,yuvadm/rhizi,ozFri/rhizi,tlevine/rhizi,shlomif/rhizi,shlomif/rhizi,cben/rhizi,cben/rhizi,yuvadm/rhizi,tlevine/rhizi,cben/rhizi,cben/rhizi,tlevine/rhizi,Rhizi/rhizi,ozFri/rhizi,Rhizi/rhizi,yuvadm/rhizi