hg: jigsaw/jake/jdk: Module::addPackage to check for an existing package

[mandy.chung at oracle.com]

Changeset: 3463722f77cc
Author:    plevart
Date:      2016-03-16 14:00 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/3463722f77cc

Module::addPackage to check for an existing package

! src/java.base/share/classes/java/lang/reflect/Module.java
! src/java.base/share/classes/java/lang/reflect/Proxy.java