Reland of Added ARM Neon SIMD optimizations for AEC3

Reland of Added ARM Neon SIMD optimizations for AEC3 (patchset #1 id:1 of https://codereview.webrtc.org/2856113003/ )

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: 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

TBR=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}
Committed: https://chromium.googlesource.com/external/webrtc/+/5d153c76c60fc3388d60ff3b84a9b4b5557c57ad

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

Created Reland of Added ARM Neon SIMD optimizations for AEC3

[peah-webrtc, 2017-05-03 13:43:38]

Description was changed from

==========
Reland of Added ARM Neon SIMD optimizations for AEC3 (patchset #1 id:1 of
https://codereview.webrtc.org/2856113003/ )

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:
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...

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

==========
Reland of Added ARM Neon SIMD optimizations for AEC3 (patchset #1 id:1 of
https://codereview.webrtc.org/2856113003/ )

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:
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...

TBR=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
==========

[peah-webrtc, 2017-05-03 13:44:25]

The CQ bit was checked by peah@webrtc.org

[commit-bot: I haz the power, 2017-05-03 13:44:32]

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 13:45:45]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493819065797100, "parent_rev":
"3dae705f494bfa778757ecf3bf336f2ce5016a5d", "commit_rev":
"5d153c76c60fc3388d60ff3b84a9b4b5557c57ad"}

[commit-bot: I haz the power, 2017-05-03 13:45:47]

Description was changed from

==========
Reland of Added ARM Neon SIMD optimizations for AEC3 (patchset #1 id:1 of
https://codereview.webrtc.org/2856113003/ )

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:
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...

TBR=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
==========

to

==========
Reland of Added ARM Neon SIMD optimizations for AEC3 (patchset #1 id:1 of
https://codereview.webrtc.org/2856113003/ )

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:
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...

TBR=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}
Committed:
https://chromium.googlesource.com/external/webrtc/+/5d153c76c60fc3388d60ff3b8...
==========

[commit-bot: I haz the power, 2017-05-03 13:45:48]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/5d153c76c60fc3388d60ff3b8...