Revert of Add first part of the network_tester functionality.

Revert of Add first part of the network_tester functionality. (patchset #13 id:260001 of https://codereview.webrtc.org/2779233002/ )

Reason for revert:
Tasn test failure. 

Original issue's description:
> Add first part of the network_tester functionality.
> 
> BUG=webrtc:7426
> 
> Review-Url: https://codereview.webrtc.org/2779233002
> Cr-Commit-Position: refs/heads/master@{#17635}
> Committed: https://chromium.googlesource.com/external/webrtc/+/333d0ff63173f2561fb03b323080e5f8b1c71dc4

TBR=stefan@webrtc.org,minyue@webrtc.org,nisse@webrtc.org,terelius@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7426
Review-Url: https://codereview.webrtc.org/2800403003
Cr-Commit-Position: refs/heads/master@{#17636}
Committed: https://chromium.googlesource.com/external/webrtc/+/7fb7bbd1798931a9c6c0b3d29e26466419583e54

[michaelt, 2017-04-11 07:16:36]

The CQ bit was checked by michaelt@webrtc.org

[michaelt, 2017-04-11 07:16:36]

Created Revert of Add first part of the network_tester functionality.

[commit-bot: I haz the power, 2017-04-11 07:16:46]

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, 2017-04-11 07:16:51]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491894996360700, "parent_rev":
"333d0ff63173f2561fb03b323080e5f8b1c71dc4", "commit_rev":
"7fb7bbd1798931a9c6c0b3d29e26466419583e54"}

[commit-bot: I haz the power, 2017-04-11 07:16:57]

Description was changed from

==========
Revert of Add first part of the network_tester functionality. (patchset #13
id:260001 of https://codereview.webrtc.org/2779233002/ )

Reason for revert:
Tasn test failure. 

Original issue's description:
> Add first part of the network_tester functionality.
> 
> BUG=webrtc:7426
> 
> Review-Url: https://codereview.webrtc.org/2779233002
> Cr-Commit-Position: refs/heads/master@{#17635}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/333d0ff63173f2561fb03b323...

TBR=stefan@webrtc.org,minyue@webrtc.org,nisse@webrtc.org,terelius@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7426
==========

to

==========
Revert of Add first part of the network_tester functionality. (patchset #13
id:260001 of https://codereview.webrtc.org/2779233002/ )

Reason for revert:
Tasn test failure. 

Original issue's description:
> Add first part of the network_tester functionality.
> 
> BUG=webrtc:7426
> 
> Review-Url: https://codereview.webrtc.org/2779233002
> Cr-Commit-Position: refs/heads/master@{#17635}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/333d0ff63173f2561fb03b323...

TBR=stefan@webrtc.org,minyue@webrtc.org,nisse@webrtc.org,terelius@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7426

Review-Url: https://codereview.webrtc.org/2800403003
Cr-Commit-Position: refs/heads/master@{#17636}
Committed:
https://chromium.googlesource.com/external/webrtc/+/7fb7bbd1798931a9c6c0b3d29...
==========

[commit-bot: I haz the power, 2017-04-11 07:16:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/7fb7bbd1798931a9c6c0b3d29...