[8u] 8160217: JavaSound should clean up resources better

[Zhengyu Gu]

Thanks for the reviews.

Indeed, I missed quite a few Copyright updates.

Updated webrev: 
http://cr.openjdk.java.net/~zgu/JDK-8160217-8u/webrev.01/index.html

-Zhengyu

On 6/23/20 3:53 AM, Severin Gehwolf wrote:
> On Mon, 2020-06-22 at 21:00 -0400, Zhengyu Gu wrote:
>> 8u Webrev: http://cr.openjdk.java.net/~zgu/JDK-8160217-8u/webrev.00/
> 
> Some files are missing the Copyright update as done in the original
> patch. We should add them, even though they might need to be done
> manually.
> 
> Thanks,
> Severin
>