Revert of Fix log spam when time_in_state file is not available under cpu2/cpu3

Revert of Fix log spam when time_in_state file is not available under cpu2/cpu3 (patchset #2 id:20001 of https://codereview.chromium.org/1550803002/ )

Reason for revert:
Broke android perf bots

Original issue's description:
> Fix log spam when time_in_state file is not available under cpu2/cpu3
> 
> BUG=561190
> 
> Committed: https://crrev.com/ad8cdf36a37c5c52edef2f8b25b09a2350adaf12
> Cr-Commit-Position: refs/heads/master@{#367042}

TBR=mikecase@chromium.org,jbudorick@chromium.org,nednguyen@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=561190

[Yoland Yan(Google), 2015-12-29 18:21:23]

Created Revert of Fix log spam when time_in_state file is not available under
cpu2/cpu3

[commit-bot: I haz the power, 2015-12-29 18:21:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1550303002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1550303002/1

[commit-bot: I haz the power, 2015-12-29 18:21:49]

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

[commit-bot: I haz the power, 2015-12-29 18:21:50]

No L-G-T-M from a valid reviewer yet. Only full committers are accepted.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.