This can be done now as the function SetRTPTimestamp is now overriden in blink MockTransformableAudioFrame. Change-Id: I4fa4cb81d0282fea864818f0f2d9a5ed881a5d30 Bug: webrtc:14709 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/308361 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Palak Agarwal <agpalak@google.com> Cr-Commit-Position: refs/heads/main@{#40257}