test/java/awt/Component/InsetsEncapsulation/InsetsEncapsulation.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.

*** 72,81 ****
--- 72,82 ----
  import static javax.swing.UIManager.LookAndFeelInfo;
  import static javax.swing.UIManager.getInstalledLookAndFeels;
  
  /**
   * @test
+  * @key headful
   * @bug 6459800
   * @author Sergey Bylokhov
   */
  public final class InsetsEncapsulation implements Runnable {