6855544: add missing files

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/AnnotatedTypeTree.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.source.tree;
+
+import java.util.List;
+
+/**
+ * A tree node for an annotated type
+ *
+ * For example:
+ * <pre>
+ *    {@code @}<em>annotationType String</em>
+ *    {@code @}<em>annotationType</em> ( <em>arguments</em> ) <em>Date</em>
+ * </pre>
+ *
+ * @see "JSR 308: Annotations on Java Types"
+ *
+ * @author Mahmood Ali
+ * @since 1.7
+ */
+public interface AnnotatedTypeTree extends ExpressionTree {
+    List<? extends AnnotationTree> getAnnotations();
+    ExpressionTree getUnderlyingType();
+}