VOL-4077: Improve storage usage on etcd
- Do away with unnecessary data storage on etcd if it can be
  reconciled on adapter restart
- For data that needs storage, use lesser footprint if possible
- Use write-through-cache for all data stored on etcd via
  resource manager module
- Use ResourceManager module per interface to localize lock
  contention per PON port

Change-Id: I21d38216fab195d738a446b3f96a00251569e38b
diff --git a/internal/pkg/core/openolt_groupmgr.go b/internal/pkg/core/openolt_groupmgr.go
index a87073b..4f633a7 100644
--- a/internal/pkg/core/openolt_groupmgr.go
+++ b/internal/pkg/core/openolt_groupmgr.go
@@ -16,8 +16,8 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-lib-go/v4/pkg/flows"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/flows"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-openolt-adapter/internal/pkg/olterrors"
 	rsrcMgr "github.com/opencord/voltha-openolt-adapter/internal/pkg/resourcemanager"
 	ofp "github.com/opencord/voltha-protos/v4/go/openflow_13"