Refactor: reduce to number of column for better readability at SONA

Change-Id: Ic8dd78cfc219272f98f37651f244c3564755960c
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHostProvider.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHostProvider.java
index c4ab10c..828e647 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHostProvider.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHostProvider.java
@@ -107,8 +107,8 @@
 
     private HostProviderService hostProviderService;
 
-    private final ExecutorService executor =
-            Executors.newSingleThreadExecutor(groupedThreads(this.getClass().getSimpleName(), "device-event"));
+    private final ExecutorService executor = Executors.newSingleThreadExecutor(
+            groupedThreads(this.getClass().getSimpleName(), "device-event"));
     private final InternalDeviceListener internalDeviceListener =
             new InternalDeviceListener();
     private final InternalOpenstackNodeListener internalNodeListener =