In addition restore call to ConfigureQualityScaler in SetSource, which
is needed if degradation preferences change mid-stream.
Fixes a regressions from https://webrtc-review.googlesource.com/70740,
The encoder's GetScalingSettings may depend on arguments to
InitEncode, so configuring the quality scaler only at encoder creation
time isn't enough.
Bug: webrtc:8830
Change-Id: I48f66cde219c56272f44441fdb26ec64c6002068
Reviewed-on: https://webrtc-review.googlesource.com/72000
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22993}
f394f65b71