This check was a leftover from when the metadata was generated from
the MediaItem only. Since we moved to the actual MediaMetadata fields,
the check is completely unnecessary and prevents accessing metadata
when the GET_CURRENT_MEDIA_ITEM command is not available.
PiperOrigin-RevId: 524837587
(cherry picked from commit e0bb23d4634421ede8827948a3ddae9c5d4a9089)