Remove hppc from percentiles agg

The percentiles bucket agg uses an hppc arraylist of doubles to store
the parsed percent values. This is a very small list and does not need
to be a native array. This commit changes to using a standard ArrayList.

relates elastic#84735

server/src/main/java/org/elasticsearch/search/aggregations/pipeline/PercentilesBucketPipelineAggregationBuilder.java

@@ -8,8 +8,6 @@
 
 package org.elasticsearch.search.aggregations.pipeline;
 
-import com.carrotsearch.hppc.DoubleArrayList;
-
 import org.elasticsearch.Version;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
@@ -18,7 +16,9 @@
 import org.elasticsearch.xcontent.XContentParser;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 
@@ -152,7 +152,7 @@ protected PercentilesBucketPipelineAggregationBuilder buildFactory(
         protected boolean token(XContentParser parser, String field, XContentParser.Token token, Map<String, Object> params)
             throws IOException {
             if (PERCENTS_FIELD.match(field, parser.getDeprecationHandler()) && token == XContentParser.Token.START_ARRAY) {
-                DoubleArrayList percents = new DoubleArrayList(10);
+                List<Double> percents = new ArrayList<>(10);
                 while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
                     percents.add(parser.doubleValue());
                 }