Update testing config for PersistentHistograms.

Update testing config for PersistentHistograms.

This specifies the group we're planning to rollout.

BUG=none

Review-Url: https://codereview.chromium.org/2777323002
Cr-Commit-Position: refs/heads/master@{#459915}
Committed: https://chromium.googlesource.com/chromium/src/+/e6d2c8d3b8904eac6d1204c5ec2d738e4d6d43eb

[Alexei Svitkine (slow), 2017-03-27 21:18:52]

asvitkine@chromium.org changed reviewers:
+ bcwhite@chromium.org

[Alexei Svitkine (slow), 2017-03-27 21:24:36]

asvitkine@chromium.org changed reviewers:
+ rkaplow@chromium.org

[bcwhite, 2017-03-27 21:36:31]

lgtm

[Alexei Svitkine (slow), 2017-03-27 21:36:51]

Description was changed from

==========
Update testing config for PersistentHistograms.

This specifies the group we're planning to rollout.

BUG=none
==========

to

==========
Update testing config for PersistentHistograms.

This specifies the group we're planning to rollout.

BUG=none
==========

[Alexei Svitkine (slow), 2017-03-27 21:36:51]

asvitkine@chromium.org changed reviewers:
- rkaplow@chromium.org

[Alexei Svitkine (slow), 2017-03-27 21:36:59]

The CQ bit was checked by asvitkine@chromium.org

[commit-bot: I haz the power, 2017-03-27 21:38:05]

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, 2017-03-27 22:47:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490650619169020, "parent_rev":
"f7c841cfa3015088d90afdbb1fce08223105444d", "commit_rev":
"e6d2c8d3b8904eac6d1204c5ec2d738e4d6d43eb"}

[commit-bot: I haz the power, 2017-03-27 22:48:44]

Description was changed from

==========
Update testing config for PersistentHistograms.

This specifies the group we're planning to rollout.

BUG=none
==========

to

==========
Update testing config for PersistentHistograms.

This specifies the group we're planning to rollout.

BUG=none

Review-Url: https://codereview.chromium.org/2777323002
Cr-Commit-Position: refs/heads/master@{#459915}
Committed:
https://chromium.googlesource.com/chromium/src/+/e6d2c8d3b8904eac6d1204c5ec2d...
==========

[commit-bot: I haz the power, 2017-03-27 22:48:45]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/e6d2c8d3b8904eac6d1204c5ec2d...