Change method to show mobile radio power to getRadioPower

Due to wifi calling, even if the modem's radio power is off, it can
be in_service by iwlan. so change method to show mobile radio power
from service state to getting radio power in RadioInfo engineering
menu

Test: manual test with radio power on and off
Bug: 306084899
Change-Id: I3bab7cca767d5ffe97d51509717a20079472f1de
1 file changed