They proved to be too difficult to fix properly, so we revert the saturation fixes that were done in https://codereview.webrtc.org/2729573002 and https://codereview.webrtc.org/2746903002, and ignore them instead. BUG=webrtc:7307, chromium:709364, chromium:693868 Review-Url: https://codereview.webrtc.org/2809483002 Cr-Commit-Position: refs/heads/master@{#17612}