Revert of Moved ring-buffer related files from common_audio to audio_processing" (patchset #2 id:20001 of https://codereview.webrtc.org/1858123003/ )

Reason for revert:
Because of down-stream dependencies, this CL needs to be reverted.

The dependencies will be resolved and then the CL will be relanded.

Original issue's description:
> Revert "Revert of Moved ring-buffer related files from common_audio to audio_processing (patchset #8 id:150001 of https://codereview.webrtc.org/1846903004/ )"
>
> This reverts commit c54aad6ae07fe2a44a65be403386bd7d7d865e5b.
>
> BUG=webrtc:5724
> NOPRESUBMIT=true
>
> Committed: https://crrev.com/8864fe5e08f8d8711612526dee9a812adfcd3be1
> Cr-Commit-Position: refs/heads/master@{#12247}

TBR=henrik.lundin@webrtc.org,ivoc@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:5724

Review URL: https://codereview.webrtc.org/1855393004

Cr-Original-Commit-Position: refs/heads/master@{#12248}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: faed4ab24bf76fbcaa84f231b9cf0cc019e3df8a
31 files changed