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

Change-Id: Ia46863b34c89b32aecdd3a5a8d6505de1b46cf9d
diff --git a/rw_core/core/device_state_transitions_test.go b/rw_core/core/device_state_transitions_test.go
index f4106c9..265cc08 100644
--- a/rw_core/core/device_state_transitions_test.go
+++ b/rw_core/core/device_state_transitions_test.go
@@ -18,7 +18,7 @@
 import (
 	"github.com/opencord/voltha-go/rw_core/coreIf"
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	"github.com/opencord/voltha-protos/go/voltha"
+	"github.com/opencord/voltha-protos/v2/go/voltha"
 	"github.com/stretchr/testify/assert"
 	"reflect"
 	"testing"