Add updated documentation for debugging data stoppage alerts.

Add updated documentation for debugging data stoppage alerts.

This incorporates the new data stoppage dialog. Split out from perf
regression sheriffing doc because non-chromium perf sheriffs and
sometimes bot health sheriffs would use this doc too.

Review-Url: https://codereview.chromium.org/2712383003
Cr-Commit-Position: refs/heads/master@{#453282}
Committed: https://chromium.googlesource.com/chromium/src/+/ada3cefbd608cdc630757d7f8cd4d3227d6dd7a8

[sullivan, 2017-02-27 12:13:54]

sullivan@chromium.org changed reviewers:
+ martiniss@chromium.org, simonhatch@chromium.org

[sullivan, 2017-02-27 12:13:54]

A very late entry into the perfbot health sheriff fixit :)

[shatch, 2017-02-27 17:34:48]

lgtm

[sullivan, 2017-02-27 17:35:51]

The CQ bit was checked by sullivan@chromium.org

[commit-bot: I haz the power, 2017-02-27 17:36:48]

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, 2017-02-27 19:09:50]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1488216951902140,
"parent_rev": "a3547c0e56d617c5a82dcd0d8a128f4c2c3f921f", "commit_rev":
"ada3cefbd608cdc630757d7f8cd4d3227d6dd7a8"}

[commit-bot: I haz the power, 2017-02-27 19:10:36]

Description was changed from

==========
Add updated documentation for debugging data stoppage alerts.

This incorporates the new data stoppage dialog. Split out from perf
regression sheriffing doc because non-chromium perf sheriffs and
sometimes bot health sheriffs would use this doc too.
==========

to

==========
Add updated documentation for debugging data stoppage alerts.

This incorporates the new data stoppage dialog. Split out from perf
regression sheriffing doc because non-chromium perf sheriffs and
sometimes bot health sheriffs would use this doc too.

Review-Url: https://codereview.chromium.org/2712383003
Cr-Commit-Position: refs/heads/master@{#453282}
Committed:
https://chromium.googlesource.com/chromium/src/+/ada3cefbd608cdc630757d7f8cd4...
==========

[commit-bot: I haz the power, 2017-02-27 19:10:37]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/ada3cefbd608cdc630757d7f8cd4...