hg: jdk/sandbox: 2 new changesets

[magnus.ihse.bursie at oracle.com]

Changeset: 07d921cdd7a6
Author:    ihse
Date:      2017-12-06 14:13 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/07d921cdd7a6

Restore boot-jdk fix.

! make/autoconf/boot-jdk.m4

Changeset: e2c47e2db0a5
Author:    ihse
Date:      2017-12-06 14:17 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/e2c47e2db0a5

Merge

! make/Help.gmk
! make/RunTestsPrebuilt.gmk
! make/RunTestsPrebuiltSpec.gmk
! make/autoconf/boot-jdk.m4
! make/autoconf/generated-configure.sh
! make/conf/jib-profiles.js
- test/jdk/jdk/internal/misc/JavaLangAccess/NewUnsafeString.java