Adding rad init command changes to support irsa #338

Job	Run time
Build Radius for test	3s
Run cli-noncloud functional tests	11m 5s
Run corerp-noncloud functional tests	10m 1s
Run daprrp-noncloud functional tests	11m 37s
Run kubernetes-noncloud functional tests	8m 20s
Run msgrp-noncloud functional tests	8m 13s
Run samples-noncloud functional tests	9m 20s
Run ucp-noncloud functional tests	7m 52s
Run datastoresrp-noncloud functional tests	9m 34s
Report test failure	0s
	1h 16m 5s

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