Revert of Re-enable memory tests. Fixed sign-in issue.

Revert of Re-enable memory tests. Fixed sign-in issue. (patchset #3 of https://codereview.chromium.org/491863003/)

Reason for revert:
Failing on bots. Looks like we forgot to commit the archive.

Traceback (most recent call last):
  File "/b/build/slave/Android_Nexus5_Perf/build/src/tools/perf/../telemetry/telemetry/value/failure.py", line 39, in _GetExcInfoFromMessage
    raise Exception(message)
Exception: Page set archive doesn't exist.

http://chromegw/i/chromium.perf/builders/Android%20Nexus5%20Perf/builds/1480/steps/memory.mobile_memory/logs/stdio

Original issue's description:
> Re-enable memory tests. Fixed sign-in issue.
> 
> Re-recording other tests may be required.
> 
> BUG=370977
> 
> Committed: https://chromium.googlesource.com/chromium/src/+/383ffaab6b5fac34b950d9faaab637cc75907aca

TBR=skyostil@chromium.org,starodub@google.com
NOTREECHECKS=true
NOTRY=true
BUG=370977
Committed: https://crrev.com/a8ae96e7508f8fd8303dc4e2d5eb45615725763a
Cr-Commit-Position: refs/heads/master@{#292266}

[tonyg, 2014-08-27 23:10:38]

Created Revert of Re-enable memory tests. Fixed sign-in issue.

[commit-bot: I haz the power, 2014-08-27 23:12:06]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tonyg@chromium.org/511023002/1

[commit-bot: I haz the power, 2014-08-27 23:13:19]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-08-27 23:13:20]

Failed to commit the patch.

[tonyg, 2014-08-27 23:30:47]

The CQ bit was checked by tonyg@chromium.org

[commit-bot: I haz the power, 2014-08-27 23:32:31]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tonyg@chromium.org/511023002/1

[commit-bot: I haz the power, 2014-08-27 23:35:14]

Committed patchset #1 (id:1) as caa5deeefeba56916ebc1669730d6176fb37b561

[commit-bot: I haz the power, 2014-09-10 02:55:34]

Patchset 1 (id:??) landed as
https://crrev.com/a8ae96e7508f8fd8303dc4e2d5eb45615725763a
Cr-Commit-Position: refs/heads/master@{#292266}