test/java/awt/image/DrawImage/IncorrectClipXorModeSurface2Surface.java

rev 14031 : 8159690: [TESTBUG] Mark headful tests with @key headful.

Backport of 14851:980da45565c8 from jdk9.  542/842 hunks applied directly from
the patch. 44 I resolved manually.  The remaining hunks are for filenames that
do not exist in jdk8u.

@@ -38,10 +38,11 @@
 
 import static java.awt.geom.Rectangle2D.Double;
 
 /**
  * @test
+ * @key headful
  * @bug 8061831 8130400
  * @summary Tests drawing volatile image to volatile image using different
  *          clips + xor mode. Results of the blit compatibleImage to
  *          compatibleImage is used for comparison.
  */