VOL-2189 update voltha-openolt-adapter to use voltha-protos=v2.0.1 and voltha-lib-go=v2.2.9;
Release v2.2.1

Change-Id: I527d6541f9d8b7df8504d886a01163c7e57bdd77
diff --git a/adaptercore/device_handler.go b/adaptercore/device_handler.go
index dbf301f..2e19d7c 100644
--- a/adaptercore/device_handler.go
+++ b/adaptercore/device_handler.go
@@ -37,11 +37,11 @@
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
 	"github.com/opencord/voltha-lib-go/v2/pkg/pmmetrics"
 	rsrcMgr "github.com/opencord/voltha-openolt-adapter/adaptercore/resourcemanager"
-	"github.com/opencord/voltha-protos/go/common"
-	ic "github.com/opencord/voltha-protos/go/inter_container"
-	of "github.com/opencord/voltha-protos/go/openflow_13"
-	oop "github.com/opencord/voltha-protos/go/openolt"
-	"github.com/opencord/voltha-protos/go/voltha"
+	"github.com/opencord/voltha-protos/v2/go/common"
+	ic "github.com/opencord/voltha-protos/v2/go/inter_container"
+	of "github.com/opencord/voltha-protos/v2/go/openflow_13"
+	oop "github.com/opencord/voltha-protos/v2/go/openolt"
+	"github.com/opencord/voltha-protos/v2/go/voltha"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/status"
 )