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/tests/core/performance_metrics_test.go b/tests/core/performance_metrics_test.go
index f5a19d7..f5867ad 100644
--- a/tests/core/performance_metrics_test.go
+++ b/tests/core/performance_metrics_test.go
@@ -23,8 +23,8 @@
 	"github.com/google/uuid"
 	tu "github.com/opencord/voltha-go/tests/utils"
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	"github.com/opencord/voltha-protos/go/common"
-	"github.com/opencord/voltha-protos/go/voltha"
+	"github.com/opencord/voltha-protos/v2/go/common"
+	"github.com/opencord/voltha-protos/v2/go/voltha"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/metadata"
 	"math"