Docs: Fix build for java-api (#35727)

The java-api docs had some broken references. Mostly because it is
difficult to build them so they are difficult to check.

Relates to #34528 
backport of emergency fix: cc4dd98

Author: pgomulka

client/rest-high-level/src/test/java/org/elasticsearch/client/BulkProcessorIT.java

@@ -303,7 +303,7 @@ public void testGlobalParametersAndSingleRequest() throws Exception {
             processor.add(new IndexRequest("blogs", "post_type", "1") // <2>
                 .source(XContentType.JSON, "title", "some title"));
         }
-        // end::bulk-request-mix-pipeline
+        // end::bulk-processor-mix-parameters
         latch.await();
 
         Iterable<SearchHit> hits = searchAll(new SearchRequest("tweets").routing("routing"));

docs/java-api/docs/bulk.asciidoc

@@ -176,15 +176,15 @@ Global parameters can be specified on the BulkRequest as well as BulkProcessor,
 
 ["source","java",subs="attributes,callouts,macros"]
 --------------------------------------------------
-include-tagged::{doc-tests}/BulkProcessorIT.java[bulk-processor-mix-parameters]
+include-tagged::{hlrc-tests}/BulkProcessorIT.java[bulk-processor-mix-parameters]
 --------------------------------------------------
 <1> global parameters from the BulkRequest will be applied on a sub request
 <2> local pipeline parameter on a sub request will override global parameters from BulkRequest
 
 
 ["source","java",subs="attributes,callouts,macros"]
 --------------------------------------------------
-include-tagged::{doc-tests}/BulkRequestWithGlobalParametersIT.java[bulk-request-mix-pipeline]
+include-tagged::{hlrc-tests}/BulkRequestWithGlobalParametersIT.java[bulk-request-mix-pipeline]
 --------------------------------------------------
 <1> local pipeline parameter on a sub request will override global pipeline from the BulkRequest
 <2> global parameter from the BulkRequest will be applied on a sub request

docs/java-api/index.asciidoc

@@ -151,6 +151,7 @@ and add it as a dependency. As an example, we will use the `slf4j-simple` logger
 --------------------------------------------------
 
 :client-tests: {docdir}/../../server/src/test/java/org/elasticsearch/client/documentation
+:hlrc-tests: {docdir}/../../client/rest-high-level/src/test/java/org/elasticsearch/client
 
 :client-reindex-tests: {docdir}/../../modules/reindex/src/test/java/org/elasticsearch/client/documentation