VOL-1643 Update voltha-go to use voltha-protos and voltha-lib-go v3.0.0

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/rw_core/coreif/logical_device_manager_if.go b/rw_core/coreif/logical_device_manager_if.go
index 2beaea5..02068eb 100644
--- a/rw_core/coreif/logical_device_manager_if.go
+++ b/rw_core/coreif/logical_device_manager_if.go
@@ -23,8 +23,8 @@
 import (
 	"context"
 
-	"github.com/opencord/voltha-protos/v2/go/openflow_13"
-	"github.com/opencord/voltha-protos/v2/go/voltha"
+	"github.com/opencord/voltha-protos/v3/go/openflow_13"
+	"github.com/opencord/voltha-protos/v3/go/voltha"
 )
 
 // LogicalDeviceManager represent logical device manager related methods