hg: jigsaw/jake/jdk: System modules jlink plugin support for compiled version

[mandy.chung at oracle.com]

Changeset: 0757b2d2968d
Author:    mchung
Date:      2016-12-13 21:10 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/0757b2d2968d

System modules jlink plugin support for compiled version

! src/java.base/share/classes/jdk/internal/module/Builder.java
! src/java.base/share/classes/jdk/internal/module/SystemModuleFinder.java
! src/java.base/share/classes/jdk/internal/module/SystemModules.java
! src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/SystemModulesPlugin.java
+ test/tools/jlink/plugins/SystemModuleDescriptors/CompiledVersionTest.java
+ test/tools/jlink/plugins/SystemModuleDescriptors/src/test/jdk/test/Main.java
+ test/tools/jlink/plugins/SystemModuleDescriptors/src/test/module-info.java