Add Fixed-Rate Polling Specifier To ReportCollector (#1492) #5585

Job	Run time
Slow tests	18m 51s
Basic Checks	20m 45s
Additional Builds and Concurrency Tests	14m 18s
Release builds and tests	9m 48s
sanitize (address)	17m 44s
sanitize (address, multi-threading)	18m 50s
Measure coverage	27m 8s
sanitize (leak)	7m 46s
sanitize (leak, multi-threading)	8m 2s
miri	2m 58s
	2h 26m 10s

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