Default implementation for BroadcastRadio AIDL HAL

Default implementation for BroadcastRadio AIDL HAL is based on
default implementation for HIDL 2.0, with necessary data type
conversion. The callback for IBroadcastRadio interface is
initialized as nullptr.

Bug: 170336130
Test: m -j
Change-Id: Id521573116c565c42af16333cad73c5dd0583420
14 files changed