test/javax/swing/JComboBox/ConsumedKeyTest/ConsumedKeyTest.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.

@@ -28,10 +28,11 @@
 import java.awt.Robot;
 import sun.awt.SunToolkit;
 
 /*
   @test
+  @key headful
   @bug 8031485 8058193
   @summary Combo box consuming escape and enter key events
   @author Petr Pchelko
   @run main ConsumedKeyTest
 */