Extra wait in testSetVoiceServiceStateOverride

After turning the radio off, wait up to 3 seconds instead of 1 second for the radio to turn off and the correct state to be reflected in the
service state

Test: atest CtsTelephonyTestCases:TelephonyManagerTest
Bug: 292114382
Change-Id: I9274d5c52370fbe05b831975072d6f3f8880fe30
1 file changed