Draft: Add an audio playback pause on end setting

Fixes #3157

changed milestone to %3.6.x

added Player feature labels

requested review from @Skantes

LGTM, but if this is added to the audio player, shouldn't it also be added to the video player ? I suppose there is no difference in the desktop version

added 8 commits

• f08c9953...349ab460 - 7 commits from branch videolan:master
• b8134ae0 - Add an audio playback pause on end setting

Compare with previous version

enabled an automatic merge when all merge checks for b8134ae0 pass

canceled the automatic merge

marked this merge request as draft

Setting to draft while we finish merging all we want for the next beta, and discuss in more detail what we want for this MR. This one can wait the next round.