Waiting 10s at the beginning of getBarringInfo test if not yet in-service.

If the previous setRadioPower_1_5_emergencyCall_cancelled test has just finished.
Due to radio restarting, modem may need a little more time to acquire network service.
Otherwise, the barring info will be empty.

Bug: 191866257
Test: atest VtsHalRadioV1_5TargetTest

Change-Id: I9ae4e7a07b9f47353554ffb63a23b6518aa344b7