[release] Roll the more frequently updated lkgr ref into chromium.

[release] Roll the more frequently updated lkgr ref into chromium.

NOTRY=true

Committed: https://crrev.com/911384af71ffaadc03c3cdd04c338f079b26db77
Cr-Commit-Position: refs/heads/master@{#31141}

[Michael Achenbach, 2015-10-07 09:50:41]

machenbach@chromium.org changed reviewers:
+ hablich@chromium.org

[Michael Achenbach, 2015-10-07 09:50:50]

PTAL

[Michael Hablich, 2015-10-07 10:14:57]

On 2015/10/07 09:50:50, Michael Achenbach wrote:
> PTAL

lgtm

As discussed offline the ref 'roll' needs to be deleted because it is no longer
used and confusing. I updated mergeinfo.py which relied on 'roll':
https://codereview.chromium.org/1391153002/

[Michael Achenbach, 2015-10-07 10:23:41]

The CQ bit was checked by machenbach@chromium.org

[commit-bot: I haz the power, 2015-10-07 10:23:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1394453002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1394453002/1

[commit-bot: I haz the power, 2015-10-07 10:28:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-07 10:28:39]

Patchset 1 (id:??) landed as
https://crrev.com/911384af71ffaadc03c3cdd04c338f079b26db77
Cr-Commit-Position: refs/heads/master@{#31141}