title: Disconnecting a session without exiting the app
body: <p>Iam using Multipeer connectivity Feature.</p>
  
  <p>Consider A,B,C are connected in a session created by A.Suppose B want to get out of the session without disconnecting the session ( [session Disconnect] ) or exiting the app .Is that possible?. Does turning off the advertiser of B,disconnects it from the session?. Or is there any other way? Please help!</p>