Revert of GN: Refactor modules_unittests to eliminate package boundary violations.

Revert of GN: Refactor modules_unittests to eliminate package boundary violations. (patchset #4 id:130001 of https://codereview.webrtc.org/2649563002/ )

Reason for revert:
Did break the bots.
https://build.chromium.org/p/client.webrtc/builders/iOS32%20Release/builds/9807

Original issue's description:
> GN: Refactor modules_unittests to eliminate package boundary violations.
> 
> Also move bwe_simulator to webrtc/modules/remote_bitrate_estimator
> 
> BUG=webrtc:6954
> NOTRY=True
> 
> Review-Url: https://codereview.webrtc.org/2649563002
> Cr-Commit-Position: refs/heads/master@{#16270}
> Committed: https://chromium.googlesource.com/external/webrtc/+/36cb55d7157dcba872f666e0e1fb75cae1a940a6

TBR=kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6954
Review-Url: https://codereview.webrtc.org/2651023005
Cr-Commit-Position: refs/heads/master@{#16271}
Committed: https://chromium.googlesource.com/external/webrtc/+/3373eaa57757386823730e9998cd225dd6be477c

[ehmaldonado_webrtc, 2017-01-25 16:11:11]

The CQ bit was checked by ehmaldonado@webrtc.org

[ehmaldonado_webrtc, 2017-01-25 16:11:12]

Created Revert of GN: Refactor modules_unittests to eliminate package boundary
violations.

[commit-bot: I haz the power, 2017-01-25 16:11:22]

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, 2017-01-25 16:11:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485360671776020, "parent_rev":
"36cb55d7157dcba872f666e0e1fb75cae1a940a6", "commit_rev":
"3373eaa57757386823730e9998cd225dd6be477c"}

[commit-bot: I haz the power, 2017-01-25 16:11:31]

Description was changed from

==========
Revert of GN: Refactor modules_unittests to eliminate package boundary
violations. (patchset #4 id:130001 of https://codereview.webrtc.org/2649563002/
)

Reason for revert:
Did break the bots.
https://build.chromium.org/p/client.webrtc/builders/iOS32%20Release/builds/9807

Original issue's description:
> GN: Refactor modules_unittests to eliminate package boundary violations.
> 
> Also move bwe_simulator to webrtc/modules/remote_bitrate_estimator
> 
> BUG=webrtc:6954
> NOTRY=True
> 
> Review-Url: https://codereview.webrtc.org/2649563002
> Cr-Commit-Position: refs/heads/master@{#16270}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/36cb55d7157dcba872f666e0e...

TBR=kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6954
==========

to

==========
Revert of GN: Refactor modules_unittests to eliminate package boundary
violations. (patchset #4 id:130001 of https://codereview.webrtc.org/2649563002/
)

Reason for revert:
Did break the bots.
https://build.chromium.org/p/client.webrtc/builders/iOS32%20Release/builds/9807

Original issue's description:
> GN: Refactor modules_unittests to eliminate package boundary violations.
> 
> Also move bwe_simulator to webrtc/modules/remote_bitrate_estimator
> 
> BUG=webrtc:6954
> NOTRY=True
> 
> Review-Url: https://codereview.webrtc.org/2649563002
> Cr-Commit-Position: refs/heads/master@{#16270}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/36cb55d7157dcba872f666e0e...

TBR=kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6954

Review-Url: https://codereview.webrtc.org/2651023005
Cr-Commit-Position: refs/heads/master@{#16271}
Committed:
https://chromium.googlesource.com/external/webrtc/+/3373eaa57757386823730e999...
==========

[commit-bot: I haz the power, 2017-01-25 16:11:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/3373eaa57757386823730e999...

[ehmaldonado_webrtc, 2017-01-25 16:12:41]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2653173003/ by ehmaldonado@webrtc.org.

The reason for reverting is: Will change the name from bwe_simulator to
bwe_simulator_test..