Visual Studio 2010 express was the last version to not support 64 bit
configurations.

BUG=angle:714

Change-Id: Ie4383a437a98cecfc82702e766a460ade96062f8
Reviewed-on: https://chromium-review.googlesource.com/210824Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>