Implementation of the EncodedImageCallback and
AdaptationObserverInterface belongs with the implementation, not the
public interface.
Bug: webrtc:8830
Change-Id: I901ae79ede252599c5fe22284cf649274c5b1422
Reviewed-on: https://webrtc-review.googlesource.com/51862
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22000}