test/java/awt/Window/AlwaysOnTop/AlwaysOnTopFieldTest.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.

*** 25,34 ****
--- 25,35 ----
  import java.awt.Toolkit;
  import java.awt.Window;
  import sun.awt.SunToolkit;
  /**
   * @test
+  * @key headful
   * @bug 7081594
   * @author Alexander Scherbatiy
   * @summary Windows owned by an always-on-top window DO NOT automatically become always-on-top
   * @run main AlwaysOnTopFieldTest
   */