test/java/awt/Focus/KeyEventForBadFocusOwnerTest/KeyEventForBadFocusOwnerTest.java

rev 14031 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

This is a backport of fe58d505fffd from jdk9. 228/596 hunks apply without
modifications. 16 hunks required manual rework. The remainder were for files
not present in jdk8u.

@@ -20,10 +20,11 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
   @test
+  @key headful
   @bug 4476629
   @library ../../../../javax/swing/regtesthelpers
   @build Util
   @summary KeyEvents dispatched to old focus owner that is no longer showing
   @author son@sparc.spb.su: area=awt.focus