For HLS, handle multiple type of audio tracks such as stereo, 5.1, etc

[birme]

Even if multiple audio tracks, or subtitle tracks, applies to the same language - these should be differentiated in the selection lists by either label or to apply the number of channels (being an audio track) or any other available data onto the naming. To be obvious for the user.

E.g. for audio tracks
Swedish
English
English 5.1

E.g. for text tracks
Swedish
English
English (SDH)