hg: panama/dev: 8202907: Consolidate the design and implementation of the nicl support.

[sundararajan.athijegannathan at oracle.com]

Changeset: 46db2ebe439d
Author:    sundar
Date:      2018-07-03 19:42 +0530
URL:       http://hg.openjdk.java.net/panama/dev/rev/46db2ebe439d

8202907: Consolidate the design and implementation of the nicl support.
handle compiler built-in header files.
Reviewed-by: mcimadamore

+ make/copy/Copy-jdk.jextract.gmk
! src/jdk.jextract/share/classes/com/sun/tools/jextract/Main.java
+ src/jdk.jextract/share/conf/stdarg.h
+ src/jdk.jextract/share/conf/stddef.h
! test/jdk/com/sun/tools/jextract/JextractToolProviderTest.java
+ test/jdk/com/sun/tools/jextract/stdarginc.h