Revert of Remove build directory before performing perf tryjob.

Revert of Remove build directory before performing perf tryjob. (patchset #1 id:1 of https://codereview.chromium.org/1773363002/ )

Reason for revert:
Breaking things on android jobs

Original issue's description:
> Remove build directory before performing perf tryjob.
> 
> Also removed StepFailure exception on test failure with path, because
> this was preventing processing revision without patch.
> 
> BUG=591428
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299173

TBR=robertocn@chromium.org,dtu@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=591428
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299180

[prasadv, 2016-03-09 18:14:56]

Created Revert of Remove build directory before performing perf tryjob.

[commit-bot: I haz the power, 2016-03-09 18:15:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1776943003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1776943003/1

[commit-bot: I haz the power, 2016-03-09 18:15:09]

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

[commit-bot: I haz the power, 2016-03-09 18:15:10]

No L-G-T-M from a valid reviewer yet. 
CQ run can only be started by full committers or once the patch has
received an L-G-T-M from a full committer.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
Committers are members of the group "project-infra-committers".
Note that this has nothing to do with OWNERS files.

[RobertoCN, 2016-03-09 18:20:45]

The CQ bit was checked by robertocn@chromium.org

[RobertoCN, 2016-03-09 18:20:46]

lgtm

[commit-bot: I haz the power, 2016-03-09 18:20:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1776943003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1776943003/1

[commit-bot: I haz the power, 2016-03-09 18:21:21]

Description was changed from

==========
Revert of Remove build directory before performing perf tryjob. (patchset #1
id:1 of https://codereview.chromium.org/1773363002/ )

Reason for revert:
Breaking things on android jobs

Original issue's description:
> Remove build directory before performing perf tryjob.
> 
> Also removed StepFailure exception on test failure with path, because
> this was preventing processing revision without patch.
> 
> BUG=591428
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299173

TBR=robertocn@chromium.org,dtu@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=591428
==========

to

==========
Revert of Remove build directory before performing perf tryjob. (patchset #1
id:1 of https://codereview.chromium.org/1773363002/ )

Reason for revert:
Breaking things on android jobs

Original issue's description:
> Remove build directory before performing perf tryjob.
> 
> Also removed StepFailure exception on test failure with path, because
> this was preventing processing revision without patch.
> 
> BUG=591428
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299173

TBR=robertocn@chromium.org,dtu@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=591428

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=299180
==========

[commit-bot: I haz the power, 2016-03-09 18:21:22]

Committed patchset #1 (id:1) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=299180