CORD-180 Changed the way how learnt hosts are suppressed in gerrit 9195

Change-Id: I086ba82147ef716c076cb6140b03da2886515c32
diff --git a/providers/netcfghost/src/main/java/org/onosproject/provider/netcfghost/NetworkConfigHostProvider.java b/providers/netcfghost/src/main/java/org/onosproject/provider/netcfghost/NetworkConfigHostProvider.java
index 5669e16..c3c8161 100644
--- a/providers/netcfghost/src/main/java/org/onosproject/provider/netcfghost/NetworkConfigHostProvider.java
+++ b/providers/netcfghost/src/main/java/org/onosproject/provider/netcfghost/NetworkConfigHostProvider.java
@@ -61,7 +61,7 @@
 
     private ApplicationId appId;
     private static final String APP_NAME = "org.onosproject.netcfghost";
-    public static final ProviderId PROVIDER_ID = new ProviderId("host", APP_NAME);
+    private static final ProviderId PROVIDER_ID = new ProviderId("host", APP_NAME);
     protected HostProviderService providerService;
 
     private final Logger log = LoggerFactory.getLogger(getClass());
@@ -95,7 +95,7 @@
     @Override
     public void triggerProbe(Host host) {
         /*
-         * Note: In CORD deployment, we assume that all hosts are configured.
+         * Note: All hosts are configured in network config host provider.
          * Therefore no probe is required.
          */
     }