VOL-4029 code changes for extended pm counters

Change-Id: Id3c1a310b7eb7718776dd1391fd79c0bb7fc25e8
diff --git a/internal/pkg/onuadaptercore/openonu.go b/internal/pkg/onuadaptercore/openonu.go
index 2c77aa2..2fabadd 100644
--- a/internal/pkg/onuadaptercore/openonu.go
+++ b/internal/pkg/onuadaptercore/openonu.go
@@ -610,6 +610,8 @@
 			// The timeout handling is already implemented in omci_self_test_handler module
 			resp := <-respChan
 			return &resp, nil
+		case *extension.GetValueRequest_OnuInfo:
+			return handler.getOnuOMCICounters(ctx, reqType.OnuInfo), nil
 		default:
 			return postUniStatusErrResponse(extension.GetValueResponse_UNSUPPORTED), nil