This is a follow-up to r9531, where the configuration ReportedDelay was replaced by DelayAgnostic. The config was kept in the code to avoid API breakages. In https://codereview.chromium.org/1219263003/ depending code has been updated to avoid breakages. BUG=webrtc:4651 R=bjornv@webrtc.org Review URL: https://codereview.webrtc.org/1212653012 Cr-Commit-Position: refs/heads/master@{#9536}