Add add_analyzer functionality #38

Job	Run time
diagnostic_aggregator on humble	3m 37s
diagnostic_aggregator on iron	4m 7s
diagnostic_aggregator on rolling	4m 26s
diagnostic_common_diagnostics on humble	3m 7s
diagnostic_common_diagnostics on iron	3m 29s
diagnostic_common_diagnostics on rolling	3m 20s
diagnostic_updater on humble	3m 13s
diagnostic_updater on iron	2m 51s
diagnostic_updater on rolling	2m 57s
self_test on humble	3m 51s
self_test on iron	4m 8s
self_test on rolling	3m 40s
	42m 46s

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