[SDK] Update `tune` API #1246

Job	Run time
e2e (v1.29.2, long-running-resume,from-volume-resume,median-stop)	13m 54s
e2e (v1.29.2, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	18m 25s
e2e (v1.29.2, file-metrics-collector,pytorchjob-mnist)	12m 10s
e2e (v1.29.2, median-stop-with-json-format,file-metrics-collector-with-json-format)	12m 48s
e2e (v1.30.7, long-running-resume,from-volume-resume,median-stop)	15m 29s
e2e (v1.30.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 45s
e2e (v1.30.7, file-metrics-collector,pytorchjob-mnist)	12m 14s
e2e (v1.30.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	11m 43s
e2e (v1.31.3, long-running-resume,from-volume-resume,median-stop)	14m 29s
e2e (v1.31.3, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	20m 2s
e2e (v1.31.3, file-metrics-collector,pytorchjob-mnist)	13m 21s
e2e (v1.31.3, median-stop-with-json-format,file-metrics-collector-with-json-format)	12m 41s
	2h 57m 1s

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