Revert of [build] Use MSVS 2015 by default.

Revert of [build] Use MSVS 2015 by default. (patchset #5 id:80001 of https://codereview.chromium.org/2533813002/ )

Reason for revert:
Breaks CI dbg builder:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug%20builder/builds/13817

Original issue's description:
> [build] Use MSVS 2015 by default.
>
> BUG=chromium:603131
> LOG=y
>
> Committed: https://crrev.com/6b9c49cac101d1a373ae1a098b7959f8aff848ac
> Cr-Commit-Position: refs/heads/master@{#41407}

TBR=jochen@chromium.org,vogelheim@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:603131
Committed: https://crrev.com/48a522b6434907fd6db0a7a1a13333d53d386bea
Cr-Commit-Position: refs/heads/master@{#41409}

[Michael Achenbach, 2016-12-01 08:34:56]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2016-12-01 08:34:57]

Created Revert of [build] Use MSVS 2015 by default.

[commit-bot: I haz the power, 2016-12-01 08:35:08]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-12-01 08:35:14]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480581296610050, "parent_rev":
"875e51fc3bde79495e3a5ea1b30690564560dd38", "commit_rev":
"f750f00289c29814a35acbd22b575ebc9cb8757e"}

[commit-bot: I haz the power, 2016-12-01 08:35:21]

Description was changed from

==========
Revert of [build] Use MSVS 2015 by default. (patchset #5 id:80001 of
https://codereview.chromium.org/2533813002/ )

Reason for revert:
Breaks CI dbg builder:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug%20buil...

Original issue's description:
> [build] Use MSVS 2015 by default.
> 
> BUG=chromium:603131
> LOG=y
> 
> Committed: https://crrev.com/6b9c49cac101d1a373ae1a098b7959f8aff848ac
> Cr-Commit-Position: refs/heads/master@{#41407}

TBR=jochen@chromium.org,vogelheim@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:603131
==========

to

==========
Revert of [build] Use MSVS 2015 by default. (patchset #5 id:80001 of
https://codereview.chromium.org/2533813002/ )

Reason for revert:
Breaks CI dbg builder:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug%20buil...

Original issue's description:
> [build] Use MSVS 2015 by default.
> 
> BUG=chromium:603131
> LOG=y
> 
> Committed: https://crrev.com/6b9c49cac101d1a373ae1a098b7959f8aff848ac
> Cr-Commit-Position: refs/heads/master@{#41407}

TBR=jochen@chromium.org,vogelheim@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:603131
==========

[commit-bot: I haz the power, 2016-12-01 08:35:22]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-01 08:35:37]

Description was changed from

==========
Revert of [build] Use MSVS 2015 by default. (patchset #5 id:80001 of
https://codereview.chromium.org/2533813002/ )

Reason for revert:
Breaks CI dbg builder:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug%20buil...

Original issue's description:
> [build] Use MSVS 2015 by default.
> 
> BUG=chromium:603131
> LOG=y
> 
> Committed: https://crrev.com/6b9c49cac101d1a373ae1a098b7959f8aff848ac
> Cr-Commit-Position: refs/heads/master@{#41407}

TBR=jochen@chromium.org,vogelheim@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:603131
==========

to

==========
Revert of [build] Use MSVS 2015 by default. (patchset #5 id:80001 of
https://codereview.chromium.org/2533813002/ )

Reason for revert:
Breaks CI dbg builder:
https://build.chromium.org/p/client.v8/builders/V8%20Win32%20-%20debug%20buil...

Original issue's description:
> [build] Use MSVS 2015 by default.
>
> BUG=chromium:603131
> LOG=y
>
> Committed: https://crrev.com/6b9c49cac101d1a373ae1a098b7959f8aff848ac
> Cr-Commit-Position: refs/heads/master@{#41407}

TBR=jochen@chromium.org,vogelheim@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:603131

Committed: https://crrev.com/48a522b6434907fd6db0a7a1a13333d53d386bea
Cr-Commit-Position: refs/heads/master@{#41409}
==========

[commit-bot: I haz the power, 2016-12-01 08:35:38]

Patchset 1 (id:??) landed as
https://crrev.com/48a522b6434907fd6db0a7a1a13333d53d386bea
Cr-Commit-Position: refs/heads/master@{#41409}