Motivation: never used. Follow-up CL of https://webrtc-review.googlesource.com/c/src/+/250680. Tested on a custom chromium build by making a video call and with keyboard activity. The expected logs from the APM transient suppressor sub-module were shown. Bug: webrtc:11226 Change-Id: I4186994412dd8ba2e71ed8f9dcc9cf8f8e40fbd3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/250667 Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Per Kjellander <perkj@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36300}