VOL-3419: OpenOLT adapter at scale constantly takes more that 10 seconds to react to flows
- Pass information to agent to do the flow replication
- Consolidate various locks in the adapter and remove reduntant locks
- use voltha-proto version 4.0.2 and voltha-lib-go version 4.0.0
- Bump adapter version to 3.0.0

Change-Id: Ic053c54e5319bb1736ec74facfc79dd10058ecf5
diff --git a/pkg/mocks/mockOpenOltClient.go b/pkg/mocks/mockOpenOltClient.go
index 5df754f..f47a514 100644
--- a/pkg/mocks/mockOpenOltClient.go
+++ b/pkg/mocks/mockOpenOltClient.go
@@ -22,9 +22,9 @@
 	"errors"
 	"io"
 
-	config "github.com/opencord/voltha-protos/v3/go/ext/config"
-	openolt "github.com/opencord/voltha-protos/v3/go/openolt"
-	tech_profile "github.com/opencord/voltha-protos/v3/go/tech_profile"
+	config "github.com/opencord/voltha-protos/v4/go/ext/config"
+	openolt "github.com/opencord/voltha-protos/v4/go/openolt"
+	tech_profile "github.com/opencord/voltha-protos/v4/go/tech_profile"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 )