8178403: DirectAudio in JavaSound may hang and leak
Reviewed-by: prr, alitvinov

8168751: Two "Direct Clip" threads are created to play the same "AudioClip" object, what makes clip sound corrupted
Reviewed-by: serb, amenkov

8167435: IllegalArgumentException is not thrown by Clip.open(AudioFormat,byte[], int, int)
Reviewed-by: amenkov

8163949: Cleanup of classes which are related to JavaSound
Reviewed-by: prr

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com