test/java/awt/Component/PaintAll/PaintAll.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.

*** 43,52 ****
--- 43,53 ----
  import java.awt.Toolkit;
  import java.awt.image.BufferedImage;
  
  /*
    @test
+   @key headful
    @bug 6596915
    @summary Test Component.paintAll() method
    @author sergey.bylokhov@oracle.com: area=awt.component
    @run main PaintAll
  */