Revert of Added ARM Neon SIMD optimizations for AEC3

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: https://chromium.googlesource.com/external/webrtc/+/f246b91eba0e8d95bd3fee4634887fb6d3017811

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: https://chromium.googlesource.com/external/webrtc/+/b70f8cfd4d5cf6fe31a8089df9955b7e7b7ebd32

[peah-webrtc, 2017-05-03 13:40:23]

The CQ bit was checked by peah@webrtc.org

[peah-webrtc, 2017-05-03 13:40:23]

Created Revert of Added ARM Neon SIMD optimizations for AEC3

[commit-bot: I haz the power, 2017-05-03 13:40:42]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-05-03 13:40:47]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493818823511500, "parent_rev":
"f246b91eba0e8d95bd3fee4634887fb6d3017811", "commit_rev":
"b70f8cfd4d5cf6fe31a8089df9955b7e7b7ebd32"}

[commit-bot: I haz the power, 2017-05-03 13:40:54]

Description was changed from

==========
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:
https://chromium.googlesource.com/external/webrtc/+/f246b91eba0e8d95bd3fee463...

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
==========

to

==========
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:
https://chromium.googlesource.com/external/webrtc/+/f246b91eba0e8d95bd3fee463...

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:
https://chromium.googlesource.com/external/webrtc/+/b70f8cfd4d5cf6fe31a8089df...
==========

[commit-bot: I haz the power, 2017-05-03 13:40:55]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/b70f8cfd4d5cf6fe31a8089df...

[peah-webrtc, 2017-05-03 13:43:02]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2862573002/ by peah@webrtc.org.

The reason for reverting is: The original patch set was correct, but the
Chromium bug number needed to be corrected..