Current (5) matrix: use radio.config@1.2::IRadioConfig

1.1 IRadioConfig does not exist. radio.config@1.2 is a
minor version uprev that only updates the sub interfaces,
not the top level interface.

Test: builds

Bug: 135172251
Change-Id: Ia576cea29c63850ddb531f7c972fa4ebaecd20c7