hg: jdk9/sandbox/jdk: 8164585: JarFile::isMultiRelease does not return true in all cases where it should return true

[chris.hegarty at oracle.com]

Changeset: 104fda852047
Author:    sdrach
Date:      2016-08-23 11:26 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/104fda852047

8164585: JarFile::isMultiRelease does not return true in all cases where it should return true
Reviewed-by: alanb, psandoz
Contributed-by: steve.drach at oracle.com

! src/java.base/share/classes/java/util/jar/JarFile.java
! test/java/util/jar/JarFile/mrjar/MultiReleaseJarAPI.java