Reason for revert:
The original patch set was correct, but the Chromium bug number needed to be corrected.
Original issue's description:
> Revert of Added ARM Neon SIMD optimizations for AEC3 (patchset #2 id:970001 of https://codereview.webrtc.org/2834073005/ )
>
> Reason for revert:
> The bug number for the chromium bug was wrong.
>
> Original issue's description:
> > Added ARM Neon optimizations for AEC3
> >
> > This CL adds Neon SIMD optimizations for AEC3 on ARM, resulting
> > in an 8 times complexity reduction. The optimizations are basically
> > identical to what was already in place for SSE2.
> >
> > BUG=chromium:14993, webrtc:6018
> >
> > Review-Url: https://codereview.webrtc.org/2834073005
> > Cr-Commit-Position: refs/heads/master@{#17993}
> > Committed: f246b91eba
>
> TBR=ivoc@webrtc.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:14993, webrtc:6018
>
> Review-Url: https://codereview.webrtc.org/2856113003
> Cr-Commit-Position: refs/heads/master@{#17994}
> Committed: b70f8cfd4dTBR=ivoc@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:714993, webrtc:6018
Review-Url: https://codereview.webrtc.org/2862573002
Cr-Commit-Position: refs/heads/master@{#17997}