This reverts commit 8fcd6537f242ffd74154a62dad410e573e2efc4b. Reason for revert: broke internal projects. Original change's description: > RNN VAD: Replace Ooura with PFFFT for the pitch auto correlation. > > Bug: webrtc:9577, webrtc:10480 > Change-Id: I6d58866d48b8eaaa4102551b88d4f55133d1915c > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130482 > Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> > Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#27387} TBR=gustaf@webrtc.org,alessiob@webrtc.org Change-Id: Ia05057326ebc277f334b13db0bfec9d4442903c2 No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:9577, webrtc:10480 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130369 Reviewed-by: Qingsi Wang <qingsi@webrtc.org> Commit-Queue: Qingsi Wang <qingsi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27405}