hg: jdk9/dev/jdk: 8163798: Create a JarFile versionedStream method

[steve.drach at oracle.com]

Changeset: 45a60f458ed8
Author:    sdrach
Date:      2016-09-13 13:55 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/45a60f458ed8

8163798: Create a JarFile versionedStream method
Reviewed-by: mchung, psandoz, redestad

! src/java.base/share/classes/java/util/jar/JarFile.java
+ src/java.base/share/classes/jdk/internal/util/jar/VersionedStream.java
+ test/jdk/internal/util/jar/TestVersionedStream.java