hg: jdk/jdk: 8219988: Change to Visual Studio 2017 15.9.6 for building on Windows at Oracle

[erik.joelsson at oracle.com]

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