8255009: delta apply fixes for JDK-8246774 and JDK-8253455, pushed too soon

Reviewed-by: jlahoda

src/java.base/share/classes/java/lang/reflect/RecordComponent.java

@@ -38,14 +38,23 @@ import java.util.Map;
 import java.util.Objects;
 
 /**
+ * {@preview Associated with records, a preview feature of the Java language.
+ *
+ *           This class is associated with <i>records</i>, a preview
+ *           feature of the Java language. Preview features
+ *           may be removed in a future release, or upgraded to permanent
+ *           features of the Java language.}
+ *
  * A {@code RecordComponent} provides information about, and dynamic access to, a
  * component of a record class.
  *
  * @see Class#getRecordComponents()
  * @see java.lang.Record
  * @jls 8.10 Record Types
- * @since 16
+ * @since 14
  */
+@jdk.internal.PreviewFeature(feature=jdk.internal.PreviewFeature.Feature.RECORDS,
+                             essentialAPI=false)
 public final class RecordComponent implements AnnotatedElement {
     // declaring class
     private Class<?> clazz;