RFR: 8156499 Update jlink to support creating images with modules that are packaged as multi-release JARs

[Chris Hegarty]

> On 22 Aug 2016, at 19:24, Steve Drach <steve.drach at oracle.com> wrote:
>> ...
>>> It exists purely because another class in the same versioned directory depends on it.  If we are creating a versionedStream for the version that the non-public class is in, it will be in finalNames, otherwise it won’t be.  I believe the code is correct here.
>>> 
>>> New concealed packages can be added in a versioned section of the jar file created by jar tool.  Should classes in concealed packages be added to finalNames or not?  Or stated differently, for jlink, should a versionedStream contain entries in concealed packages?
>>> 
>> Er, I thought the plan was for the set of concealed packages to be the same. It's okay for the ConcealedPackages in the base section to include "empty" packages.
> 
> I wasn’t involved with that decision.  Chris wrote that code, perhaps he can comment.

This surprises me, as I have the same recollection as Alan; no additional
concealed packages are allowable in the versioned section.

I just checked the jar tool, and it does NOT add any versioned specific
concealed packages.

-Chris.