Handle disconnect logic for multiple senders
Handle disconnect logic for multiple senders

Change-Id: Ifc6a04731d862cd110d0c1088a94f2f257834650

PhilSSOO/061717Cust,googlecast/Cast-Player-Sample,yakupme/Cast-Player-Sample,codeprogression/Cast-Player-Sample,yakupme/Cast-Player-Sample,PhilSSOO/061717Cust,googlecast/Cast-Player-Sample,codeprogression/Cast-Player-Sample