Register percentile streams.

Author: jpountz

src/main/java/org/elasticsearch/search/aggregations/TransportAggregationModule.java

@@ -38,6 +38,7 @@
 import org.elasticsearch.search.aggregations.metrics.avg.InternalAvg;
 import org.elasticsearch.search.aggregations.metrics.max.InternalMax;
 import org.elasticsearch.search.aggregations.metrics.min.InternalMin;
+import org.elasticsearch.search.aggregations.metrics.percentile.InternalPercentile;
 import org.elasticsearch.search.aggregations.metrics.stats.InternalStats;
 import org.elasticsearch.search.aggregations.metrics.stats.extended.InternalExtendedStats;
 import org.elasticsearch.search.aggregations.metrics.sum.InternalSum;
@@ -59,6 +60,7 @@ protected void configure() {
         InternalStats.registerStreams();
         InternalExtendedStats.registerStreams();
         InternalValueCount.registerStreams();
+        InternalPercentile.registerStreams();
 
         // buckets
         InternalGlobal.registerStreams();