hg: jdk9/sandbox/langtools: 8156568: Update javac to support compiling against a modular JAR that is a multi-release JAR

[chris.hegarty at oracle.com]

Changeset: 238ab021ff4d
Author:    sadayapalam
Date:      2016-09-20 12:12 +0530
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/238ab021ff4d

8156568: Update javac to support compiling against a modular JAR that is a multi-release JAR
Reviewed-by: jjg

! src/jdk.compiler/share/classes/com/sun/tools/javac/file/BaseFileManager.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/file/Locations.java
+ test/tools/javac/file/MultiReleaseJar/MutliReleaseModuleInfoTest.java