test/java/awt/Graphics2D/WhiteTextColorTest.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.

*** 25,39 ****
--- 25,41 ----
  import java.awt.image.*;
  import javax.swing.*;
  
  /**
   * @test
+  * @key headful
   * @bug 8056009
   * @summary tests whether Graphics.setColor-calls with Color.white are ignored directly
   *          after pipeline initialization for a certain set of operations.
   * @author ceisserer
   */
+ 
  public class WhiteTextColorTest extends Frame {
      public static volatile boolean success = false;
  
      public WhiteTextColorTest() {
          Image dstImg = getGraphicsConfiguration()