hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 27621e6afcc8
Author:    erikj
Date:      2018-02-09 13:56 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/27621e6afcc8

8187676: Disable uninitialized warnings for two files until proper fix available
Reviewed-by: tbell, kvn, ihse

! make/hotspot/lib/JvmOverrideFiles.gmk

Changeset: 042834d56fbf
Author:    erikj
Date:      2018-02-09 13:58 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/042834d56fbf

8196998: Create devkit for Linux with gcc 7.3
Reviewed-by: tbell, ihse

! make/devkit/Makefile
! make/devkit/Tools.gmk