Add log info for BroadcastRadioService

More verbose logs are added to BroadcastRadioService to provide
with adequate information for debugging.

Bug: 240327417
Test: m -j
Change-Id: Ifba1cec9a7a80f043c109a14a89574c66d073965
Merged-In: Ifba1cec9a7a80f043c109a14a89574c66d073965
(cherry picked from commit 9a415f5b)