Reland "Don't download PESQ and POLQA in the low_bandwidth_audio_test.py script."

This reverts commit bb1222f3adacec0a096451a79c391663e9f22335.

Reason for revert: Fixing

Original change's description:
> Revert "Don't download PESQ and POLQA in the low_bandwidth_audio_test.py script."
> 
> This reverts commit 20196984558b890ee7648d5cc778bc055fdeb5b2.
> 
> Reason for revert: Fails on Mac
> https://build.chromium.org/p/client.webrtc.perf/builders/Mac%2010.11/builds/4070
> 
> Original change's description:
> > Don't download PESQ and POLQA in the low_bandwidth_audio_test.py script.
> > 
> > They should've been downloaded already.
> > 
> > NOTRY=True
> > 
> > Bug: chromium:755660
> > Change-Id: I8ecb355f06026a38bd9377633e2be6c55d7c6452
> > Reviewed-on: https://webrtc-review.googlesource.com/5620
> > Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
> > Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
> > Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#20109}
> 
> TBR=kjellander@webrtc.org,phoglund@webrtc.org,ehmaldonado@webrtc.org,oprypin@webrtc.org
> 
> Change-Id: I0cfc1d0b398587a023af528536e7d995c6de1413
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: chromium:755660
> Reviewed-on: https://webrtc-review.googlesource.com/5940
> Reviewed-by: Edward Lemur <ehmaldonado@webrtc.org>
> Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#20112}

No-Try: true
Bug: chromium:755660
Change-Id: Idbf30003c78c4093afcaf99dc0c5bb3468cdcf6d
Reviewed-on: https://webrtc-review.googlesource.com/5941
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20113}

0 files changed, 0 insertions, 0 deletions