hg: jdk/sandbox: 8213944: Fix AIX build after the removal of Xrandr.h and add a configure check for it

[chris.hegarty at oracle.com]

Changeset: 2d18e5ed0f8d
Author:    simonis
Date:      2018-11-22 09:44 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2d18e5ed0f8d

8213944: Fix AIX build after the removal of Xrandr.h and add a configure check for it
Reviewed-by: shade, erikj, stuefe, ihse, goetz

! make/autoconf/help.m4
! make/autoconf/lib-x11.m4
! src/java.desktop/unix/native/libawt_xawt/awt/awt_GraphicsEnv.c