Revert of Add experimental simulcast screen content mode

Revert of Add experimental simulcast screen content mode (patchset #5 id:80001 of https://codereview.webrtc.org/2636443002/ )

Reason for revert:
Breaks chromium.

Original issue's description:
> Add experimental simulcast screen content mode
> 
> BUG=webrtc:4172
> 
> Review-Url: https://codereview.webrtc.org/2636443002
> Cr-Commit-Position: refs/heads/master@{#16135}
> Committed: https://chromium.googlesource.com/external/webrtc/+/a28e971e3bc8a06f366f0ef82cc7168b05a83b59

TBR=perkj@webrtc.org,asapersson@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:4172
Review-Url: https://codereview.webrtc.org/2643763002
Cr-Commit-Position: refs/heads/master@{#16145}
Committed: https://chromium.googlesource.com/external/webrtc/+/44303ea0ffad4ddc0944361a32f9243e01e776b0

[sprang_webrtc, 2017-01-18 13:18:57]

The CQ bit was checked by sprang@webrtc.org

[sprang_webrtc, 2017-01-18 13:18:58]

Created Revert of Add experimental simulcast screen content mode

[commit-bot: I haz the power, 2017-01-18 13:19:06]

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, 2017-01-18 13:19:14]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484745537727820, "parent_rev":
"e8abe3ef1b526dc5e6ed50c0b2bd19bab88baf47", "commit_rev":
"44303ea0ffad4ddc0944361a32f9243e01e776b0"}

[commit-bot: I haz the power, 2017-01-18 13:19:17]

Description was changed from

==========
Revert of Add experimental simulcast screen content mode (patchset #5 id:80001
of https://codereview.webrtc.org/2636443002/ )

Reason for revert:
Breaks chromium.

Original issue's description:
> Add experimental simulcast screen content mode
> 
> BUG=webrtc:4172
> 
> Review-Url: https://codereview.webrtc.org/2636443002
> Cr-Commit-Position: refs/heads/master@{#16135}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/a28e971e3bc8a06f366f0ef82...

TBR=perkj@webrtc.org,asapersson@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:4172
==========

to

==========
Revert of Add experimental simulcast screen content mode (patchset #5 id:80001
of https://codereview.webrtc.org/2636443002/ )

Reason for revert:
Breaks chromium.

Original issue's description:
> Add experimental simulcast screen content mode
> 
> BUG=webrtc:4172
> 
> Review-Url: https://codereview.webrtc.org/2636443002
> Cr-Commit-Position: refs/heads/master@{#16135}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/a28e971e3bc8a06f366f0ef82...

TBR=perkj@webrtc.org,asapersson@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:4172

Review-Url: https://codereview.webrtc.org/2643763002
Cr-Commit-Position: refs/heads/master@{#16145}
Committed:
https://chromium.googlesource.com/external/webrtc/+/44303ea0ffad4ddc0944361a3...
==========

[commit-bot: I haz the power, 2017-01-18 13:19:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/44303ea0ffad4ddc0944361a3...