hg: jdk/sandbox: 2 new changesets

[magnus.ihse.bursie at oracle.com]

Changeset: 8f815cd7c95d
Author:    ihse
Date:      2017-11-30 16:26 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/8f815cd7c95d

Almost all of prebuilt spec is now resolved.

! make/RunTestsPrebuiltSpec.gmk

Changeset: d5a689ca6183
Author:    ihse
Date:      2017-11-30 16:27 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d5a689ca6183

Fix JAVA_ARGS.

! make/autoconf/boot-jdk.m4
! make/autoconf/generated-configure.sh