RFR: JDK-8177910, Update zlib copyright note in idk/src/java.base/share/legal/zlib.md

[Mandy Chung]

+1

Mandy

> On Mar 31, 2017, at 11:16 AM, Xueming Shen <xueming.shen at oracle.com> wrote:
> 
> Hi,
> 
> Please help review the copyright update change for
> 
> issue: https://bugs.openjdk.java.net/browse/JDK-8177910
> webrev: http://cr.openjdk.java.net/~sherman/8177910/
> 
> Thanks!
> Sherman
>