test/java/awt/Mouse/GetMousePositionTest/GetMousePositionWithOverlay.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.

*** 27,36 ****
--- 27,37 ----
  import java.awt.*;
  import java.util.concurrent.atomic.AtomicReference;
  
  /**
   * @test
+  * @key headful
   * @bug 8012026
   * @summary Component.getMousePosition() does not work in an applet on MacOS
   * @author Petr Pchelko
   * @library ../../regtesthelpers
   * @build Util