Normalize Elasticsearch REST common javaagent package

Author: trask

…rchRestJavaagentInstrumenterFactory.java …rchRestJavaagentInstrumenterFactory.javainstrumentation/elasticsearch/elasticsearch-rest-common-5.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/elasticsearch/rest/ElasticsearchRestJavaagentInstrumenterFactory.java renamed to instrumentation/elasticsearch/elasticsearch-rest-common-5.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/elasticsearch/rest/common/v5_0/ElasticsearchRestJavaagentInstrumenterFactory.java instrumentation/elasticsearch/elasticsearch-rest-common-5.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/elasticsearch/rest/ElasticsearchRestJavaagentInstrumenterFactory.java renamed to instrumentation/elasticsearch/elasticsearch-rest-common-5.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/elasticsearch/rest/common/v5_0/ElasticsearchRestJavaagentInstrumenterFactory.java

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-package io.opentelemetry.javaagent.instrumentation.elasticsearch.rest;
+package io.opentelemetry.javaagent.instrumentation.elasticsearch.rest.common.v5_0;
 
 import static java.util.Collections.emptyList;