[VOL-4285] Helm charts for grpc migration

Change-Id: Ifa3423b43b236bab6c9de437b1dd7045069fe5de
diff --git a/examples/att-values.yaml b/examples/att-values.yaml
index 939606b..3c2385f 100644
--- a/examples/att-values.yaml
+++ b/examples/att-values.yaml
@@ -29,3 +29,10 @@
       needs_eapol: true
       needs_dhcp: true
       tp_id: 64
+
+# NOTE this is a temporary workaround as in the reconcile case the meter might get deleted while there is
+# a PENDING_ADD flow pointing to it.
+onos-classic:
+  config:
+    componentConfig:
+      "org.opencord.olt.impl.OltMeterService": '{"deleteMeters": "false"}'