chore(discov2): apply more hand edits

Author: apaparazzi0329

discovery/src/main/java/com/ibm/watson/discovery/v2/model/QueryAggregation.java

@@ -56,7 +56,6 @@ public class QueryAggregation extends GenericModel {
   protected String field;
   protected Long count;
   protected String name;
-  protected Long interval;
   protected String path;
 
   @SerializedName("matching_results")
@@ -129,17 +128,6 @@ public String getName() {
     return name;
   }
 
-  /**
-   * Gets the interval.
-   *
-   * <p>The size of the sections that the results are split into.
-   *
-   * @return the interval
-   */
-  public Long getInterval() {
-    return interval;
-  }
-
   /**
    * Gets the path.
    *

discovery/src/main/java/com/ibm/watson/discovery/v2/model/QueryAggregationQueryHistogramAggregation.java

@@ -20,10 +20,23 @@
  */
 public class QueryAggregationQueryHistogramAggregation extends QueryAggregation {
 
+  protected Long interval;
+
   protected List<QueryHistogramAggregationResult> results;
 
   protected QueryAggregationQueryHistogramAggregation() {}
 
+  /**
+    * Gets the interval.
+    *
+    * <p>The size of the sections that the results are split into.
+    *
+    * @return the interval
+    */
+  public Long getInterval() {
+    return interval;
+  }
+
   /**
    * Gets the results.
    *

discovery/src/main/java/com/ibm/watson/discovery/v2/model/QueryAggregationQueryTimesliceAggregation.java

@@ -17,10 +17,24 @@
 /** A specialized histogram aggregation that uses dates to create interval segments. */
 public class QueryAggregationQueryTimesliceAggregation extends QueryAggregation {
 
+  protected String interval;
+
   protected List<QueryTimesliceAggregationResult> results;
 
   protected QueryAggregationQueryTimesliceAggregation() {}
 
+
+  /**
+    * Gets the interval.
+    *
+    * <p>The date interval value.
+    *
+    * @return the interval
+    */
+  public String getInterval() {
+    return interval;
+  }
+
   /**
    * Gets the results.
    *