8185500: [TESTBUG] Add keywords headful/printer in java/awt and javax tests

Add new keyword 'printer'. Some minor test fixes to show headless exception. Add some @requires windows.

Reviewed-by: serb, mbaesken
diff --git a/jdk/test/java/awt/MenuBar/8007006/bug8007006.java b/jdk/test/java/awt/MenuBar/8007006/bug8007006.java
index c443336..8965894 100644
--- a/jdk/test/java/awt/MenuBar/8007006/bug8007006.java
+++ b/jdk/test/java/awt/MenuBar/8007006/bug8007006.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2017, Oracle and/or its affiliates. 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
@@ -21,8 +21,9 @@
  * questions.
  */
 
-/*
+/**
  * @test
+ * @key headful
  * @bug 8007006
  * @summary [macosx] Closing subwindow loses main window menus.
  * @author Leonid Romanov