hg: build-infra/jdk9: 2 new changesets

[magnus.ihse.bursie at oracle.com]

Changeset: e9986f9635d2
Author:    ihse
Date:      2016-01-19 14:23 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/e9986f9635d2

Include more context in failure log.

! make/InitSupport.gmk

Changeset: 04d59b4db7f9
Author:    ihse
Date:      2016-01-19 14:24 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/04d59b4db7f9

Initial support for shark.

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! common/autoconf/spec.gmk.in