hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 67daaa6c8d2b
Author:    erikj
Date:      2019-10-11 06:38 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/67daaa6c8d2b

8232133: Change to GCC 8.3 for building on Linux at Oracle
Reviewed-by: kbarrett, dholmes, ihse

! doc/building.html
! doc/building.md
! make/conf/jib-profiles.js
! make/devkit/Tools.gmk

Changeset: 06bd38a9bc5a
Author:    erikj
Date:      2019-10-11 06:31 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/06bd38a9bc5a

8232134: Change to Visual Studio 2017 15.9.16 for building on Windows at Oracle
Reviewed-by: ihse

! doc/building.html
! doc/building.md
! make/conf/jib-profiles.js
! make/devkit/createWindowsDevkit2017.sh