Use the same coding style in toString() implementations

Change-Id: I116eb140d92b385d36efe120c42cd2fb3efac760
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java
index 0443eae..5ce5bf5 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepMetricObjectVer1.java
@@ -366,7 +366,11 @@
 
     @Override
     public String toString() {
-        return MoreObjects.toStringHelper(getClass()).add("MetricValue", iMetricVal).add("BFlag", bBFlag)
-                .add("CFlag", bCFlag).add("BType", bType).toString();
+        return MoreObjects.toStringHelper(getClass())
+                .add("MetricValue", iMetricVal)
+                .add("BFlag", bBFlag)
+                .add("CFlag", bCFlag)
+                .add("BType", bType)
+                .toString();
     }
 }