hg: panama/panama/jdk: Add layout descriptor

[henry.jen at oracle.com]

Changeset: 977b56d35752
Author:    henryjen
Date:      2016-03-22 15:37 -0700
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/977b56d35752

Add layout descriptor

! src/java.base/share/classes/java/nicl/metadata/NativeType.java
! src/java.base/share/classes/jdk/internal/nicl/types/Array.java
! src/jdk.dev/share/classes/com/sun/tools/jextract/AsmCodeFactory.java
! src/jdk.dev/share/classes/com/sun/tools/jextract/Utils.java