6843077: JSR 308: Annotations on types

Co-authored-by: Mahmood Ali <mali@csail.mit.edu>
Co-authored-by: Matt Papi <mpapi@csail.mit.edu>
Reviewed-by: jjg, mcimadamore, darcy

langtools/src/share/classes/com/sun/source/tree/Tree.java

@@ -45,6 +45,9 @@ public interface Tree {
      * Enumerates all kinds of trees.
      */
     public enum Kind {
+
+        ANNOTATED_TYPE(AnnotatedTypeTree.class),
+
         /**
          * Used for instances of {@link AnnotationTree}.
          */