Set per-test timeout for IRadio 1.2-1.6 VTS to 5m

To be consistent with the timeout set in IRadio 1.0/1.1 VTS
This increases the timeout per-test, but there is still a timeout
for all tests in the module to complete.

Test: atest VtsHalRadioV1_*TargetTest for all
Bug: 292197532
Change-Id: I421c13e65efa565753337dc21e6520682e726e81