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

6729836: JavaSound treats large file sizes as negative and cannot read or skip
Reviewed-by: prr

8132782: RIFFReader does not support WAVE-Files greater than 2 GiB
Reviewed-by: amenkov

8038139: AudioInputStream.getFrameLength() returns wrong value for floating-point WAV
Reviewed-by: prr, amenkov

8147407: Provide support of WaveExtensible sound format
Reviewed-by: prr, amenkov

8013586: audioInputStream.close() does not release the resource
8130305: AudioSystem behavior depends on order that providers are located
Reviewed-by: prr, amenkov

8067207: Replace concat String to append in StringBuilder parameters (client)
Reviewed-by: serb
Contributed-by: Otavio Santana <otaviojava@java.net>

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