Converted all executors that previously used namedThreads to use groupedThreads instead.

Change-Id: I048709308270de5b7552bc4e8395b0f7201d5949
diff --git a/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java b/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java
index 6131190..60d54e3 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/link/impl/GossipLinkStore.java
@@ -81,8 +81,8 @@
 import static com.google.common.base.Predicates.notNull;
 import static com.google.common.collect.Multimaps.synchronizedSetMultimap;
 import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
+import static org.onlab.util.Tools.groupedThreads;
 import static org.onlab.util.Tools.minPriority;
-import static org.onlab.util.Tools.namedThreads;
 import static org.onosproject.cluster.ControllerNodeToNodeId.toNodeId;
 import static org.onosproject.net.DefaultAnnotations.merge;
 import static org.onosproject.net.DefaultAnnotations.union;
@@ -171,10 +171,10 @@
                 GossipLinkStoreMessageSubjects.LINK_INJECTED,
                 new LinkInjectedEventListener());
 
-        executor = Executors.newCachedThreadPool(namedThreads("onos-link-fg-%d"));
+        executor = Executors.newCachedThreadPool(groupedThreads("onos/link", "fg-%d"));
 
         backgroundExecutors =
-                newSingleThreadScheduledExecutor(minPriority(namedThreads("onos-link-bg-%d")));
+                newSingleThreadScheduledExecutor(minPriority(groupedThreads("onos/link", "bg-%d")));
 
         long initialDelaySec = 5;
         long periodSec = 5;