Revert of Remove webrtc_rendering_stats TBMv1 metrics

Revert of Remove webrtc_rendering_stats TBMv1 metrics (patchset #2 id:20001 of https://codereview.chromium.org/2890443002/ )

Reason for revert:
Blocking roll. This can only be landed after https://chromium-review.googlesource.com/c/506017/ is landed.

Original issue's description:
> Remove webrtc_rendering_stats TBMv1 metrics
> 
> These metrics are already converted to TBMv2 version:
> https://github.com/catapult-project/catapult/blob/master/tracing/tracing/metrics/webrtc/webrtc_rendering_metric.html
> 
> TBR=tdresser@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2890443002
> Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/f48086407653878212fe819a0ad0531132a4be98

TBR=ehmaldonado@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2886893003
Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/dab2aa44c6cdeb08d15cb32cb169edb2a41bd662

[nednguyen, 2017-05-17 00:01:28]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2017-05-17 00:01:29]

Created Revert of Remove webrtc_rendering_stats TBMv1 metrics

[commit-bot: I haz the power, 2017-05-17 00:01:32]

CQ is trying da patch.

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

[commit-bot: I haz the power, 2017-05-17 00:01:36]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494979288762320, "parent_rev":
"5aee601d9795fd83b28c0cfe1c23b358b1b55dea", "commit_rev":
"dab2aa44c6cdeb08d15cb32cb169edb2a41bd662"}

[commit-bot: I haz the power, 2017-05-17 00:01:39]

Description was changed from

==========
Revert of Remove webrtc_rendering_stats TBMv1 metrics (patchset #2 id:20001 of
https://codereview.chromium.org/2890443002/ )

Reason for revert:
Blocking roll. This can only be landed after
https://chromium-review.googlesource.com/c/506017/ is landed.

Original issue's description:
> Remove webrtc_rendering_stats TBMv1 metrics
> 
> These metrics are already converted to TBMv2 version:
>
https://github.com/catapult-project/catapult/blob/master/tracing/tracing/metr...
> 
> TBR=tdresser@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2890443002
> Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

TBR=ehmaldonado@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of Remove webrtc_rendering_stats TBMv1 metrics (patchset #2 id:20001 of
https://codereview.chromium.org/2890443002/ )

Reason for revert:
Blocking roll. This can only be landed after
https://chromium-review.googlesource.com/c/506017/ is landed.

Original issue's description:
> Remove webrtc_rendering_stats TBMv1 metrics
> 
> These metrics are already converted to TBMv2 version:
>
https://github.com/catapult-project/catapult/blob/master/tracing/tracing/metr...
> 
> TBR=tdresser@chromium.org
> 
> Review-Url: https://codereview.chromium.org/2890443002
> Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

TBR=ehmaldonado@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2886893003
Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
==========

[commit-bot: I haz the power, 2017-05-17 00:01:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...