IPC refactor part 1: Use explicit separate threads to process requests (#1447)

* Changes to allow explicit management of service threads

* Remove now unused code

* Remove ThreadCounter, its no longer needed

* Allow and use separate server per service, also fix exit issues

* New policy change: PTC version now uses PR number

Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs

@@ -102,7 +102,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
 
         private List<BsdSocket> _sockets = new List<BsdSocket>();
 
-        public IClient(ServiceCtx context, bool isPrivileged)
+        public IClient(ServiceCtx context, bool isPrivileged)  : base(new ServerBase("BsdServer"))
         {
             _isPrivileged = isPrivileged;
         }