When GetSvcConfig returned fewer spatial layers than the number statically configured from the test, we would crash on a SIGFPE. This is not a problem in the production code, since there we reset the encoder with the correct number of spatial layers whenever the resolution changes. Bug: None Change-Id: I339e4a3c0fa993c7c649533c0eae71e1314194e7 Reviewed-on: https://webrtc-review.googlesource.com/85374 Reviewed-by: Michael Horowitz <mhoro@webrtc.org> Reviewed-by: Sergey Silkin <ssilkin@webrtc.org> Commit-Queue: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23741}