API changes for IRadio AIDL conversion am: e267570c60 am: d7251de459 am: 4ac5d31fc1 am: 4164646337

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1825101

Change-Id: I578f3fa083c76c8c80f5d10fe4ff6b1778d7413f