Merge pull request #73 from ericsson-peiwuyang/MJE-15776

Histogram class need to be public

Author: leomaatEric

src/main/java/com/cisco/trex/stateful/model/stats/LatencyPortHist.java

@@ -6,7 +6,7 @@
 
 public class LatencyPortHist {
 
-    private static class Histogram{
+    public static class Histogram{
         @SerializedName("key")
         public Integer key;