Add services/preferences/OWNERS.

Add services/preferences/OWNERS.

BUG=654988
Review-Url: https://codereview.chromium.org/2733513002
Cr-Commit-Position: refs/heads/master@{#454468}
Committed: https://chromium.googlesource.com/chromium/src/+/016efe5f52111100d5d8485e143aff98b315a391

[Sam McNally, 2017-03-03 00:56:31]

sammc@chromium.org changed reviewers:
+ rockot@chromium.org

[Ken Rockot(use gerrit already), 2017-03-03 00:56:52]

lgtm

[Sam McNally, 2017-03-03 01:33:46]

The CQ bit was checked by sammc@chromium.org

[commit-bot: I haz the power, 2017-03-03 01:34:30]

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, 2017-03-03 02:19:44]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488504826139090, "parent_rev":
"43c2760715bdba5d474b1f0537244de8c7680ab6", "commit_rev":
"016efe5f52111100d5d8485e143aff98b315a391"}

[commit-bot: I haz the power, 2017-03-03 02:20:25]

Description was changed from

==========
Add services/preferences/OWNERS.

BUG=654988
==========

to

==========
Add services/preferences/OWNERS.

BUG=654988

Review-Url: https://codereview.chromium.org/2733513002
Cr-Commit-Position: refs/heads/master@{#454468}
Committed:
https://chromium.googlesource.com/chromium/src/+/016efe5f52111100d5d8485e143a...
==========

[commit-bot: I haz the power, 2017-03-03 02:20:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/016efe5f52111100d5d8485e143a...