VOL-1596 Add Support for handling multicast groups in OpenOLT Adapter.
VOL-1595 Add Support for handling multicast flows in OpenOLT Adapter.

Depends voltha-protos from the patch below:
https://gerrit.opencord.org/#/c/16690/

Change-Id: I1cc9900bd6400bb31aed11beda674138838a21d2
diff --git a/main_test.go b/main_test.go
index cffd0aa..84e2981 100644
--- a/main_test.go
+++ b/main_test.go
@@ -22,11 +22,11 @@
 	"google.golang.org/grpc/status"
 	"testing"
 
-	"github.com/opencord/voltha-lib-go/v2/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 	"github.com/opencord/voltha-openolt-adapter/config"
 	"github.com/opencord/voltha-openolt-adapter/mocks"
-	ca "github.com/opencord/voltha-protos/v2/go/inter_container"
+	ca "github.com/opencord/voltha-protos/v3/go/inter_container"
 	"go.etcd.io/etcd/pkg/mock/mockserver"
 )