updateListData
Updates records for a particular set in the connection.
    function(listData, set)
  
  Returns a promise that resolves to the list data for a particular set.
connection.updateListData({
    data: [
        {id: 1, name: "dishes", createdAt: 1477104548997}
    ]
}, {}).then(function(listData){
    listData //-> {
    //      data: [
    //          {id: 1, name: "dishes",
    //           createdAt: 1477104548997, updatedAt: 1477104580000}
    //      ]
    //}
})
  
  Parameters
- listData 
{ListData}:A object that represents the set of data needed to be loaded.
 - set 
{Object}:The set of data that is updating.