hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: cf4c3a118d2b
Author:    erikj
Date:      2019-03-04 11:30 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/cf4c3a118d2b

8219988: Change to Visual Studio 2017 15.9.6 for building on Windows at Oracle
Reviewed-by: tbell

! make/conf/jib-profiles.js
- make/devkit/createWindowsDevkit2013.sh
- make/devkit/createWindowsDevkit2015.sh
! make/devkit/createWindowsDevkit2017.sh

Changeset: 271f75d4b494
Author:    erikj
Date:      2019-03-04 11:28 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/271f75d4b494

8219986: Change to Xcode 10.1 for building on Macosx at Oracle
Reviewed-by: tbell

! make/conf/jib-profiles.js
+ make/devkit/createMacosxDevkit.sh
- make/devkit/createMacosxDevkit6.sh
- make/devkit/createMacosxDevkit9.sh