Call it once instead of 3 times.
Also remove FindSimulcastMaxBitrate, FindSimulcastTargetBitrate, FindSimulcastMinBitrate and a one parameter less version of InterpolateSimulcastFormat.
Bug: b/337757868, webrtc:351644568
Change-Id: I7b4002fc3134c47f368bb833925c959a07ce5177
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/356980
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42623}
be2f8f6ec8