Remove radio from media source blacklist

Specific handling of radio controls is still WIP,
e.g. how much control is the media template going to handle vs radio app itself
For now, just reenable radio as it already implements media session

Test: Manual (built/tested with mojave)
Bug: 76036249
Change-Id: I86eec3ef473a9a16c0e9157bf54f22e7d00f75c0
1 file changed