The high-band gain is corrected by fixing the computation of the low-band energy Bug: webrtc:14108 Change-Id: I5033287de57aedcd91bb71623ca2862519ffb35b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/263201 Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Reviewed-by: Jesus de Vicente Pena <devicentepena@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36972}