hg: panama/panama/jdk: Support Pointer<Pointer>

[henry.jen at oracle.com]

Changeset: b4480f10111c
Author:    henryjen
Date:      2016-05-03 00:18 -0700
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/b4480f10111c

Support Pointer<Pointer>

! src/java.base/share/classes/java/nicl/types/Transformer.java
! src/java.base/share/classes/jdk/internal/nicl/types/ReferenceImpl.java