wait for response before running next TC

All TCs store RadioResponseInfo in a shared variable and
read it to verify the result. So there is race condition
problem if we don't wait for responses.

Bug: 228593077
Test: run vts -m VtsHalRadioTargetTest
Change-Id: I45e60f324926588c55abd0a719fd55352767a3eb
Merged-In: I45e60f324926588c55abd0a719fd55352767a3eb
1 file changed