Log Message:
youtube-dl: Update to 20200503

Changes:
20200503
--------
Core
+ [extractor/common] Extract multiple JSON-LD entries
* [options] Clarify doc on --exec command (#19087, #24883)
* [extractor/common] Skip malformed ISM manifest XMLs while extracting
  ISM formats (#24667)

Extractors
* [crunchyroll] Fix and improve extraction (#25096, #25060)
* [youtube] Improve player id extraction
* [youtube] Use redirected video id if any (#25063)
* [yahoo] Fix GYAO Player extraction and relax URL regular expression
  (#24178, #24778)
* [tvplay] Fix Viafree extraction (#15189, #24473, #24789)
* [tenplay] Relax URL regular expression (#25001)
+ [prosiebensat1] Extract series metadata
* [prosiebensat1] Improve extraction and remove 7tv.de support (#24948)
- [prosiebensat1] Remove 7tv.de support (#24948)
* [youtube] Fix DRM videos detection (#24736)
* [thisoldhouse] Fix video id extraction (#24548, #24549)
+ [soundcloud] Extract AAC format (#19173, #24708)
* [youtube] Skip broken multifeed videos (#24711)
* [nova:embed] Fix extraction (#24700)
* [motherless] Fix extraction (#24699)
* [twitch:clips] Extend URL regular expression (#24290, #24642)
* [tv4] Fix ISM formats extraction (#24667)
* [tele5] Fix extraction (#24553)
+ [mofosex] Add support for generic embeds (#24633)
+ [youporn] Add support for generic embeds
+ [spankwire] Add support for generic embeds (#24633)
* [spankwire] Fix extraction (#18924, #20648)