Thank you.
Was so close, but could not get it to work.
Made this change AND made sure my as3xls src stuff was in the com folder and all is working and happy.
R_
import com.esri.ags.webmap.PopUpRenderer; import com.esri.ags.webmap.supportClasses.PopUpInfo; import com.esri.ags.webmap.supportClasses.PopUpMediaInfo;
import com.esri.ags.portal.PopUpRenderer; import com.esri.ags.portal.supportClasses.PopUpInfo; import com.esri.ags.portal.supportClasses.PopUpMediaInfo;