Fix issues related to android client (#4616)

* WireGuard: Fix tunnel not closed

* Dialer: Apply controllers in lc.Control

app/proxyman/outbound/handler.go

@@ -325,6 +325,7 @@ func (h *Handler) Start() error {
 // Close implements common.Closable.
 func (h *Handler) Close() error {
 	common.Close(h.mux)
+	common.Close(h.proxy)
 	return nil
 }