Implement explicit result conversion for radio HAL

Explicit broadcast radio HAL result conversion was implemented so
that the order of definition for result enum in HAL does not have
to be the same as TunerResultType in RadioTuner. Parameterized
tests were also added for this result conversion.

Bug: 257337458
Test: atest com.android.server.broadcastradio
Test: atest android.hardware.radio.tests.unittests
Change-Id: Ia41020e01b0727eea612470bae32810fb8b1cc58