[chore][pmetricutiltest] Use native structs in options (#36380) #16174

Job	Run time
arm-unittest-matrix (receiver-0)	5m 47s
arm-unittest-matrix (receiver-1)	7m 30s
arm-unittest-matrix (receiver-2)	7m 57s
arm-unittest-matrix (receiver-3)	6m 26s
arm-unittest-matrix (processor-0)	3m 58s
arm-unittest-matrix (processor-1)	5m 0s
arm-unittest-matrix (exporter-0)	3m 0s
arm-unittest-matrix (exporter-1)	9m 11s
arm-unittest-matrix (exporter-2)	4m 15s
arm-unittest-matrix (exporter-3)	5m 26s
arm-unittest-matrix (extension)	5m 23s
arm-unittest-matrix (connector)	4m 4s
arm-unittest-matrix (internal)	6m 50s
arm-unittest-matrix (pkg)	3m 32s
arm-unittest-matrix (cmd-0)	2m 6s
arm-unittest-matrix (cmd-1)	1m 49s
arm-unittest-matrix (other)	4m 20s
arm-unittest	0s
	1h 26m 34s

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