Disable the new change notification support as it seems to have caused a regression

Change-Id: I30486ac18b014a0a8a8f393201bb91cf85550669
diff --git a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabase.java b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabase.java
index 4b96f3f..e531fdf 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabase.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabase.java
@@ -236,7 +236,7 @@
 
     @Override
     public boolean hasChangeNotificationSupport() {
-        return true;
+        return false;
     }
 
     private class InternalStateMachineWatcher implements TriConsumer<String, Object, Object> {
diff --git a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/PartitionedDatabase.java b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/PartitionedDatabase.java
index cdc904b..df858ce 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/PartitionedDatabase.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/PartitionedDatabase.java
@@ -367,7 +367,7 @@
 
     @Override
     public boolean hasChangeNotificationSupport() {
-        return true;
+        return false;
     }
 
     @Override