Revert of Add optional visualization file writers to VideoProcessor tests.

Revert of Add optional visualization file writers to VideoProcessor tests. (patchset #4 id:220001 of https://codereview.webrtc.org/2700493006/ )

Reason for revert:
Breaks downstream project.

Original issue's description:
> Add optional visualization file writers to VideoProcessor tests.
> 
> The purpose of this visualization CL is to add the ability to record
> video at the source, after encode, and after decode, in the VideoProcessor
> tests. These output files can then be replayed and used as a subjective
> complement to the objective metric plots given by the existing Python
> plotting script.
> 
> BUG=webrtc:6634
> 
> Review-Url: https://codereview.webrtc.org/2700493006
> Cr-Commit-Position: refs/heads/master@{#16738}
> Committed: https://chromium.googlesource.com/external/webrtc/+/872104ac41d7764f8676c9ea55555210bea4605c

TBR=asapersson@webrtc.org,sprang@webrtc.org,kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6634
Review-Url: https://codereview.webrtc.org/2708103002
Cr-Commit-Position: refs/heads/master@{#16745}
Committed: https://chromium.googlesource.com/external/webrtc/+/2a8135a1741761bd6de52163c0dc35f6eff7c8eb

[brandtr, 2017-02-21 13:23:51]

The CQ bit was checked by brandtr@webrtc.org

[brandtr, 2017-02-21 13:23:51]

Created Revert of Add optional visualization file writers to VideoProcessor
tests.

[commit-bot: I haz the power, 2017-02-21 13:23:56]

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

[commit-bot: I haz the power, 2017-02-21 13:24:04]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487683431312430, "parent_rev":
"5dd5f5a3195c3a5fd26b6008992bb18af73d42d2", "commit_rev":
"2a8135a1741761bd6de52163c0dc35f6eff7c8eb"}

[commit-bot: I haz the power, 2017-02-21 13:24:06]

Description was changed from

==========
Revert of Add optional visualization file writers to VideoProcessor tests.
(patchset #4 id:220001 of https://codereview.webrtc.org/2700493006/ )

Reason for revert:
Breaks downstream project.

Original issue's description:
> Add optional visualization file writers to VideoProcessor tests.
> 
> The purpose of this visualization CL is to add the ability to record
> video at the source, after encode, and after decode, in the VideoProcessor
> tests. These output files can then be replayed and used as a subjective
> complement to the objective metric plots given by the existing Python
> plotting script.
> 
> BUG=webrtc:6634
> 
> Review-Url: https://codereview.webrtc.org/2700493006
> Cr-Commit-Position: refs/heads/master@{#16738}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/872104ac41d7764f8676c9ea5...

TBR=asapersson@webrtc.org,sprang@webrtc.org,kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6634
==========

to

==========
Revert of Add optional visualization file writers to VideoProcessor tests.
(patchset #4 id:220001 of https://codereview.webrtc.org/2700493006/ )

Reason for revert:
Breaks downstream project.

Original issue's description:
> Add optional visualization file writers to VideoProcessor tests.
> 
> The purpose of this visualization CL is to add the ability to record
> video at the source, after encode, and after decode, in the VideoProcessor
> tests. These output files can then be replayed and used as a subjective
> complement to the objective metric plots given by the existing Python
> plotting script.
> 
> BUG=webrtc:6634
> 
> Review-Url: https://codereview.webrtc.org/2700493006
> Cr-Commit-Position: refs/heads/master@{#16738}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/872104ac41d7764f8676c9ea5...

TBR=asapersson@webrtc.org,sprang@webrtc.org,kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6634

Review-Url: https://codereview.webrtc.org/2708103002
Cr-Commit-Position: refs/heads/master@{#16745}
Committed:
https://chromium.googlesource.com/external/webrtc/+/2a8135a1741761bd6de52163c...
==========

[commit-bot: I haz the power, 2017-02-21 13:24:07]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/2a8135a1741761bd6de52163c...

[brandtr, 2017-02-21 14:25:55]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2706123003/ by brandtr@webrtc.org.

The reason for reverting is: Investigating breakage..