hg: jigsaw/jake/hotspot: Store classpath_index value so that the classpath entry can be found for classes loaded by the boot loader from -Xbootclasspath/a in unnamed module

[harold.seigel at oracle.com]

Changeset: 3f7f51b3d2f4
Author:    hseigel
Date:      2016-01-27 07:50 -0500
URL:       http://hg.openjdk.java.net/jigsaw/jake/hotspot/rev/3f7f51b3d2f4

Store classpath_index value so that the classpath entry can be found for classes loaded by the boot loader from -Xbootclasspath/a in unnamed module

! src/share/vm/classfile/classLoader.cpp
! src/share/vm/classfile/classLoader.hpp
! src/share/vm/classfile/classLoaderExt.hpp
! src/share/vm/classfile/packageEntry.cpp
! src/share/vm/classfile/packageEntry.hpp
! test/runtime/getSysPackage/GetSysPkgTest.java