Pass encode timestamps to WebRTC from WebrtcDummyVideoEncoder

Bug: webrtc:9058
Change-Id: I6bc96a93517dc926e9d847860977ac2d10380a7e
Reviewed-on: https://chromium-review.googlesource.com/977922
Reviewed-by: Lambros Lambrou <[email protected]>
Commit-Queue: Ilya Nikolaevskiy <[email protected]>
Cr-Commit-Position: refs/heads/master@{#546059}
3 files changed