This addressees VSO.Task 4017559: Figure out why networkproxy.exe and adapter node process don't terminate on disconnecting from debug session
On the disconnect event (i.e. the client stops the debug session), we now call the adapter service to explicitly close out the NetworkProxy instance and do additional cleanup
This addressees VSO.Task 4017559: Figure out why networkproxy.exe and adapter node process don't terminate on disconnecting from debug session