RFR: JDK-8147460: Clean-up jrtfs implementation

[Paul Sandoz]

> On 14 Apr 2016, at 11:09, Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com> wrote:
> 
> jrt-fs.jar code has to run on jdk8 as well.  Cannot use jdk9 API.
> 

Ah, ok.

Thanks,
Paul.