RFR: 8242596: Improve JarFile.getEntry performance for multi-release jar

[Claes Redestad]

Lance,

On 2020-04-16 16:33, Lance Andersen wrote:
> I think this looks good.  I few minor comments/suggestions:
> 
>   * JavaUtilZipFileAccess.java:Please update the copyright
>   * JarFile.java:  In getVersionEntry(), can we place break the if
>     statements onto two lines to make it a bit easier to rea >   * ZipFile.java:  Perhaps add a comment around *1490* as to why this 
code
>     was added for future maintainers

done: http://cr.openjdk.java.net/~redestad/8242596/open.01

Thanks!

/Claes