This reverts commit 42d93ff083.
Reason for revert: The windows bots don't have the correct authorization file to download our internal copy of MSVC 2017.
Original change's description:
> [Windows] Update toolchain to MSVC 2017
>
> This is mainly to support upcomping changes in BoringSSL, and to keep
> our version of MSVC up-to-date with Chromium.
>
> Change-Id: Id6148b74a7e986147faf721b2923599f148b8b3a
> Reviewed-on: https://dart-review.googlesource.com/8168
> Reviewed-by: William Hesse <whesse@google.com>
TBR=whesse@google.com,vegorov@google.com,zra@google.com,asiva@google.com
Change-Id: I89dd1c8250d997a01bbc8de1a13cd86d5342c316
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/8660
Reviewed-by: William Hesse <whesse@google.com>
Commit-Queue: William Hesse <whesse@google.com>
This is mainly to support upcomping changes in BoringSSL, and to keep
our version of MSVC up-to-date with Chromium.
Change-Id: Id6148b74a7e986147faf721b2923599f148b8b3a
Reviewed-on: https://dart-review.googlesource.com/8168
Reviewed-by: William Hesse <whesse@google.com>