VOL-2189 update voltha-api-server to use voltha-protos=v2.0.1 and voltha-lib-go=v2.2.9;
Release 2.2.1

Change-Id: I75287803232017cf4c95d3c7a8e38a14835436fd
diff --git a/cmd/arouterd/arouterd.go b/cmd/arouterd/arouterd.go
index ac3b3e3..eedfe5c 100644
--- a/cmd/arouterd/arouterd.go
+++ b/cmd/arouterd/arouterd.go
@@ -25,7 +25,7 @@
 	"path"
 
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	pb "github.com/opencord/voltha-protos/go/afrouter"
+	pb "github.com/opencord/voltha-protos/v2/go/afrouter"
 	"golang.org/x/net/context"
 )