Auto merge of #19523 - asajeffrey:test-perf-filter-out-failed-tests, r=avadacatavra

Filter out failed test-perf runs.

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Google Data Studio is a lot happier if the data that's driving it is already filtered. This PR filters out any failed test runs from the CSV file generated by test-perf.

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes do not require tests because this is test infrastructure

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