test/java/awt/Paint/ExposeOnEDT.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.

*** 26,35 ****
--- 26,36 ----
  
  import java.awt.*;
  
  /**
   * @test
+  * @key headful
   * @bug 7090424
   * @author Sergey Bylokhov
   * @run main ExposeOnEDT
   */
  public final class ExposeOnEDT {