When I use VLC with other apps, there’s an option to download subtitles. I don’t have that with the built in exoplayer or libvlc.
Update: Downloaded and installed the opensubtitles plugin on my server. And switched back to exoplayer. I can download subtitles now.
Update: Downloaded and installed the opensubtitles plugin on my server. And switched back to exoplayer. I can download subtitles now without having to use VLC.