Review fixes for opensearch-java-3.0:javaagent (open-telemetry#17569)

Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

Author: otelbot[bot]

instrumentation/opensearch/opensearch-java-3.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/opensearch/v3_0/OpenSearchTransportInstrumentation.java

@@ -5,6 +5,7 @@
 
 package io.opentelemetry.javaagent.instrumentation.opensearch.v3_0;
 
+import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.hasClassesNamed;
 import static io.opentelemetry.javaagent.extension.matcher.AgentElementMatchers.implementsInterface;
 import static io.opentelemetry.javaagent.instrumentation.opensearch.v3_0.OpenSearchSingletons.instrumenter;
 import static net.bytebuddy.matcher.ElementMatchers.isPublic;
@@ -27,6 +28,11 @@
 import org.opensearch.client.transport.OpenSearchTransport;
 
 class OpenSearchTransportInstrumentation implements TypeInstrumentation {
+  @Override
+  public ElementMatcher<ClassLoader> classLoaderOptimization() {
+    return hasClassesNamed("org.opensearch.client.transport.OpenSearchTransport");
+  }
+
   @Override
   public ElementMatcher<TypeDescription> typeMatcher() {
     return implementsInterface(named("org.opensearch.client.transport.OpenSearchTransport"));