Reland of Verify sender ssrc when receiving rtcp target bitrate

Reland of Verify sender ssrc when receiving rtcp target bitrate (patchset #1 id:1 of https://codereview.webrtc.org/3005633002/ )

Reason for revert:
Landed fix in upstream project.

Original issue's description:
> Revert of Verify sender ssrc when receiving rtcp target bitrate (patchset #3 id:40001 of https://codereview.webrtc.org/3000373002/ )
> 
> Reason for revert:
> Might be the root cause of an internal test failure.
> 
> Original issue's description:
> > Verify sender ssrc when receiving rtcp target bitrate
> > 
> > BUG=webrtc:8137
> > 
> > Review-Url: https://codereview.webrtc.org/3000373002
> > Cr-Commit-Position: refs/heads/master@{#19524}
> > Committed: https://chromium.googlesource.com/external/webrtc/+/a7a4beb419612e16e781e143f9bc0c812e044f75
> 
> TBR=danilchap@webrtc.org,sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:8137
> 
> Review-Url: https://codereview.webrtc.org/3005633002
> Cr-Commit-Position: refs/heads/master@{#19529}
> Committed: https://chromium.googlesource.com/external/webrtc/+/95a64ca8aa3ab20692bf8fbb24c7ea7b72abb0a6

TBR=danilchap@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:8137
Review-Url: https://codereview.webrtc.org/3006683002
Cr-Commit-Position: refs/heads/master@{#19557}
Committed: https://chromium.googlesource.com/external/webrtc/+/b32aaf97bd73d16604e9e85221f2dbc4a9433e61

[sprang_webrtc, 2017-08-28 12:15:51]

The CQ bit was checked by sprang@webrtc.org

[sprang_webrtc, 2017-08-28 12:15:52]

Created Reland of Verify sender ssrc when receiving rtcp target bitrate

[commit-bot: I haz the power, 2017-08-28 12:15:59]

CQ is trying da patch.

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

[danilchap, 2017-08-28 12:22:37]

lgtm

[commit-bot: I haz the power, 2017-08-28 12:49:13]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1503922551679830, "parent_rev":
"34960de3fb4257a2bba9847e8df3ef76dee59e77", "commit_rev":
"b32aaf97bd73d16604e9e85221f2dbc4a9433e61"}

[commit-bot: I haz the power, 2017-08-28 12:49:19]

Description was changed from

==========
Reland of Verify sender ssrc when receiving rtcp target bitrate (patchset #1
id:1 of https://codereview.webrtc.org/3005633002/ )

Reason for revert:
Landed fix in upstream project.

Original issue's description:
> Revert of Verify sender ssrc when receiving rtcp target bitrate (patchset #3
id:40001 of https://codereview.webrtc.org/3000373002/ )
> 
> Reason for revert:
> Might be the root cause of an internal test failure.
> 
> Original issue's description:
> > Verify sender ssrc when receiving rtcp target bitrate
> > 
> > BUG=webrtc:8137
> > 
> > Review-Url: https://codereview.webrtc.org/3000373002
> > Cr-Commit-Position: refs/heads/master@{#19524}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/a7a4beb419612e16e781e143f...
> 
> TBR=danilchap@webrtc.org,sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:8137
> 
> Review-Url: https://codereview.webrtc.org/3005633002
> Cr-Commit-Position: refs/heads/master@{#19529}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/95a64ca8aa3ab20692bf8fbb2...

TBR=danilchap@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:8137
==========

to

==========
Reland of Verify sender ssrc when receiving rtcp target bitrate (patchset #1
id:1 of https://codereview.webrtc.org/3005633002/ )

Reason for revert:
Landed fix in upstream project.

Original issue's description:
> Revert of Verify sender ssrc when receiving rtcp target bitrate (patchset #3
id:40001 of https://codereview.webrtc.org/3000373002/ )
> 
> Reason for revert:
> Might be the root cause of an internal test failure.
> 
> Original issue's description:
> > Verify sender ssrc when receiving rtcp target bitrate
> > 
> > BUG=webrtc:8137
> > 
> > Review-Url: https://codereview.webrtc.org/3000373002
> > Cr-Commit-Position: refs/heads/master@{#19524}
> > Committed:
https://chromium.googlesource.com/external/webrtc/+/a7a4beb419612e16e781e143f...
> 
> TBR=danilchap@webrtc.org,sprang@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=webrtc:8137
> 
> Review-Url: https://codereview.webrtc.org/3005633002
> Cr-Commit-Position: refs/heads/master@{#19529}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/95a64ca8aa3ab20692bf8fbb2...

TBR=danilchap@webrtc.org,zhihuang@webrtc.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=webrtc:8137

Review-Url: https://codereview.webrtc.org/3006683002
Cr-Commit-Position: refs/heads/master@{#19557}
Committed:
https://chromium.googlesource.com/external/webrtc/+/b32aaf97bd73d16604e9e8522...
==========

[commit-bot: I haz the power, 2017-08-28 12:49:20]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/b32aaf97bd73d16604e9e8522...