Remove use of deprecated SetRates in VideoSendStreamtest
Remove use of deprecated SetRates in VideoSendStreamtest

Bug: webrtc:10481
Change-Id: I6256c1e8c3ebc86690f3e25f73b786d801311c96
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/134110
Reviewed-by: Ilya Nikolaevskiy <76788ac3efd229e9d156135d9ceb7fef65c45da4@webrtc.org>
Commit-Queue: Erik Språng <3ab8c90c99d6dd7822e0fad803ab0211dd287ae5@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#27758}

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