[pull] master from ytdl-org:master
- fix subtitles extraction - transform HLS URLs to http URLs - improve metadata extraction
# Conflicts: # youtube_dl/extractor/facebook.py
prioritize tahoe_data.secondary over webpage when extracting timestamp
[ci skip]
- update the list of domains - add support for aa-encoded video data - improve jwplayer format extraction - add support for Clappr sources closes #17032 closes #17906 closes #18237 closes #18239