RFR 8172765, closed/javax/sound/sampled/Clip/AppletAudioClip/SoundBug.java failed in headless system

[Felix Yang]

Hi team,
    please review the patch to mark following test as headful. It has been 
failing in Mach 5 for several runs

Bug: https://bugs.openjdk.java.net/browse/JDK-8172765

Thanks,
Felix

Patch:

diff -r 2ca43b220611 javax/sound/sampled/Clip/AppletAudioClip/SoundBug.java
--- a/javax/sound/sampled/Clip/AppletAudioClip/SoundBug.java    Fri Jan 13 
01:36:12 2017 +0000
+++ b/javax/sound/sampled/Clip/AppletAudioClip/SoundBug.java    Fri Jan 13 
09:34:46 2017 -0800
@@ -11,7 +11,7 @@
  * @test
  * @bug 4181910
  * @summary AudioClip incompatibility
- * @key closed-binary
+ * @key closed-binary headful
  */
 public class SoundBug extends Frame {