Revert of [tools] add --pretty switch to run_perf.py

Revert of [tools] add --pretty switch to run_perf.py (patchset #7 id:120001 of https://codereview.chromium.org/1681283004/ )

Reason for revert:
[Sheriff] Breaks android runs. Will look later why.

Original issue's description:
> [tools] add --pretty switch to run_perf.py
>
> This CL improves running our internal benchmarks locally by adding the
> --pretty option to tools/run_perf.py. With the flag enabled we print
> the run-time of each benchmark directly and avoid the json output at
> the end.
>
> NOTRY=true
>
> Committed: https://crrev.com/83f69507ab1b9380b56758b747d4f3fabc849e49
> Cr-Commit-Position: refs/heads/master@{#33981}

TBR=cbruni@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/2f8e33526b067686c24c9bd8bd8edbe17f106bc5
Cr-Commit-Position: refs/heads/master@{#34017}

[Michael Achenbach, 2016-02-16 08:19:00]

Created Revert of [tools] add --pretty switch to run_perf.py

[commit-bot: I haz the power, 2016-02-16 08:19:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1696293002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1696293002/1

[commit-bot: I haz the power, 2016-02-16 08:19:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-16 08:19:45]

Description was changed from

==========
Revert of [tools] add --pretty switch to run_perf.py (patchset #7 id:120001 of
https://codereview.chromium.org/1681283004/ )

Reason for revert:
[Sheriff] Breaks android runs. Will look later why.

Original issue's description:
> [tools] add --pretty switch to run_perf.py
> 
> This CL improves running our internal benchmarks locally by adding the
> --pretty option to tools/run_perf.py. With the flag enabled we print
> the run-time of each benchmark directly and avoid the json output at
> the end.
> 
> NOTRY=true
> 
> Committed: https://crrev.com/83f69507ab1b9380b56758b747d4f3fabc849e49
> Cr-Commit-Position: refs/heads/master@{#33981}

TBR=cbruni@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
==========

to

==========
Revert of [tools] add --pretty switch to run_perf.py (patchset #7 id:120001 of
https://codereview.chromium.org/1681283004/ )

Reason for revert:
[Sheriff] Breaks android runs. Will look later why.

Original issue's description:
> [tools] add --pretty switch to run_perf.py
>
> This CL improves running our internal benchmarks locally by adding the
> --pretty option to tools/run_perf.py. With the flag enabled we print
> the run-time of each benchmark directly and avoid the json output at
> the end.
>
> NOTRY=true
>
> Committed: https://crrev.com/83f69507ab1b9380b56758b747d4f3fabc849e49
> Cr-Commit-Position: refs/heads/master@{#33981}

TBR=cbruni@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/2f8e33526b067686c24c9bd8bd8edbe17f106bc5
Cr-Commit-Position: refs/heads/master@{#34017}
==========

[commit-bot: I haz the power, 2016-02-16 08:19:45]

Patchset 1 (id:??) landed as
https://crrev.com/2f8e33526b067686c24c9bd8bd8edbe17f106bc5
Cr-Commit-Position: refs/heads/master@{#34017}