Add some documentation about docserver VM troubleshooting.

Add some documentation about docserver VM troubleshooting.

I'm summarizing mostly what I've done yesterday to diagnose crbug 682376.

BUG=682376
Review-Url: https://codereview.chromium.org/2646443009
Cr-Commit-Position: refs/heads/master@{#445522}
Committed: https://chromium.googlesource.com/chromium/src/+/160744aec412ad50764ad679d6ef050d671c56a9

[lazyboy, 2017-01-20 01:39:18]

lazyboy@chromium.org changed reviewers:
+ rdevlin.cronin@chromium.org

[lazyboy, 2017-01-20 01:39:18]

Hopefully this will help us unravel the mysterious nature of our docserver a
little more.
Originally I wrote it down in a README file inside the VM, because these will
only be useful for folks who have access to the VM. However, decided to check it
in the repo for discoverability.

[Devlin, 2017-01-23 16:15:10]

lgtm; thanks for adding this!

[lazyboy, 2017-01-23 22:25:16]

The CQ bit was checked by lazyboy@chromium.org

[commit-bot: I haz the power, 2017-01-23 22:26:15]

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, 2017-01-23 22:43:02]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1485210316294360,
"parent_rev": "aa9685be1655d6381be79883c154c46b22d0b0fb", "commit_rev":
"160744aec412ad50764ad679d6ef050d671c56a9"}

[commit-bot: I haz the power, 2017-01-23 22:43:31]

Description was changed from

==========
Add some documentation about docserver VM troubleshooting.

I'm summarizing mostly what I've done yesterday to diagnose crbug 682376.

BUG=682376
==========

to

==========
Add some documentation about docserver VM troubleshooting.

I'm summarizing mostly what I've done yesterday to diagnose crbug 682376.

BUG=682376

Review-Url: https://codereview.chromium.org/2646443009
Cr-Commit-Position: refs/heads/master@{#445522}
Committed:
https://chromium.googlesource.com/chromium/src/+/160744aec412ad50764ad679d6ef...
==========

[commit-bot: I haz the power, 2017-01-23 22:43:32]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/160744aec412ad50764ad679d6ef...