title: Bluez DBus API to set duplicate filter to disable
body: <p>How to set scan parameters and disable the filter duplicates, so that I can receive all advertisement from the controller ?
  StartDiscovery API only notifies, whenever new device is identified but I want to set filter duplicate to disabled, so that I can receive each and every advertisement from the controller?. 
  But I didn't find any DBus API to set the scan parameters nor set scan enable API. </p>
  
  <p>My Goal is simple I need get notify each advertisement received on controller to my client app, How can I do that with Bluez? </p>
  
  <p>Note : I might missing some basic points because new to bluetooth and bluez. </p>