RFR - 8132734: java.util.jar.* changes to support multi-release jar files

[Steve Drach]

>> Please review the following webrev that adds support for multi-release jars as specified in JEP-238.
>> 
>> Issue: https://bugs.openjdk.java.net/browse/JDK-8132734 <https://bugs.openjdk.java.net/browse/JDK-8132734>
>> JEP 238: https://bugs.openjdk.java.net/browse/JDK-8047305 <https://bugs.openjdk.java.net/browse/JDK-8047305>
>> Webrev: http://cr.openjdk.java.net/~psandoz/multiversion-jar/jar-webrev/ <http://cr.openjdk.java.net/~psandoz/multiversion-jar/jar-webrev/>
>> …

> Steve - is the webrev complete, just wondering as I don't see any tests.

Yes it is complete.  Oracle SQE has done the tests, and have tested the changes.  They will integrate the tests after this webrev is integrated.  I’ve been told that this is the way it’s done for new features.