title: How to get bluetooth connected devices using BluetoothHeadset API
body: <p>I want to get list of bluetooth connected devices...not just paired devices.</p>
  
  <p>I found <code>BluetoothHeadset</code> API in <strong>API level 11</strong> which provides method <code>getConnectedDevices()</code> to get list of connected bluetooth devices.</p>
  
  <p>How to get list of bluetooth connected devices using this API ?</p>