Review fixes for jaxws-jws-api-1.1:javaagent (#18057)

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

Author: otelbot[bot]

instrumentation/jaxws/jaxws-jws-api-1.1/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/jaxws/jws/v1_1/JwsSingletons.java

@@ -11,11 +11,11 @@
 
 public class JwsSingletons {
 
-  private static final Instrumenter<JaxWsRequest, Void> INSTANCE =
+  private static final Instrumenter<JaxWsRequest, Void> instrumenter =
       JaxWsInstrumenterFactory.createInstrumenter("io.opentelemetry.jaxws-jws-api-1.1");
 
   public static Instrumenter<JaxWsRequest, Void> instrumenter() {
-    return INSTANCE;
+    return instrumenter;
   }
 
   private JwsSingletons() {}

instrumentation/jaxws/jaxws-jws-api-1.1/metadata.yaml

@@ -8,6 +8,7 @@ features:
   - CONTROLLER_SPANS
 configurations:
   - name: otel.instrumentation.common.experimental.controller-telemetry.enabled
+    declarative_name: java.common.controller_telemetry/development.enabled
     description: Enables the creation of experimental controller spans.
     type: boolean
     default: false