Fix checkstyle violation

Author: tlrx

core/src/main/java/org/elasticsearch/search/aggregations/metrics/ParsedSingleValueNumericMetricsAggregation.java

@@ -26,7 +26,8 @@
 
 import java.io.IOException;
 
-public abstract class ParsedSingleValueNumericMetricsAggregation extends ParsedAggregation implements NumericMetricsAggregation.SingleValue {
+public abstract class ParsedSingleValueNumericMetricsAggregation extends ParsedAggregation
+        implements NumericMetricsAggregation.SingleValue {
 
         protected double value;
         protected String valueAsString;