Add histogram to telemetrygen (#36322) #4

Job	Run time
windows-unittest-matrix (receiver-0)	15m 6s
windows-unittest-matrix (receiver-1)	19m 23s
windows-unittest-matrix (receiver-2)	15m 41s
windows-unittest-matrix (receiver-3)	15m 25s
windows-unittest-matrix (processor-0)	8m 21s
windows-unittest-matrix (processor-1)	11m 54s
windows-unittest-matrix (exporter-0)	7m 55s
windows-unittest-matrix (exporter-1)	20m 25s
windows-unittest-matrix (exporter-2)	9m 42s
windows-unittest-matrix (exporter-3)	10m 55s
windows-unittest-matrix (extension)	13m 10s
windows-unittest-matrix (connector)	9m 43s
windows-unittest-matrix (internal)	14m 3s
windows-unittest-matrix (pkg)	9m 12s
windows-unittest-matrix (cmd-0)	3m 42s
windows-unittest-matrix (cmd-1)	5m 7s
windows-unittest-matrix (other)	12m 18s
windows-unittest	2s
	3h 22m 4s

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