tianyifeng e180e263a5 Refresh HlsMediaPlaylist with delivery directives when possible
When refreshing the media playlist, we should try to request via a url with [delivery directives](https://datatracker.ietf.org/doc/html/draft-pantos-hls-rfc8216bis#section-6.2.5). However, when initially loading the media playlist or when the last loading with delivery directives encountered an error, we should not allow using those directives.

PiperOrigin-RevId: 629060177
2024-04-29 07:24:35 -07:00
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