hg: jdk9/sandbox/nashorn: 8153211: Convert build tool to use the new -XaddExports syntax in bootcycle build

[chris.hegarty at oracle.com]

Changeset: a5d1990fd32d
Author:    mchung
Date:      2016-03-31 11:50 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/nashorn/rev/a5d1990fd32d

8153211: Convert build tool to use the new -XaddExports syntax in bootcycle build
Reviewed-by: alanb

! make/BuildNashorn.gmk