[Mp4upload] new extractor (updated)

[bato3]

Before submitting a pull request make sure you have:

• At least skimmed through adding new extractor tutorial and youtube-dl coding conventions sections
• Searched the bugtracker for similar pull requests
• see: [mp4upload] Add new extractor #9988
• Checked the code with flake8

In order to be accepted and merged into youtube-dl each piece of code must be in public domain or released under Unlicense. Check one of the following options:

• I am the original author of this code and I am willing to release it under Unlicense
• I am not the original author of this code but it is in public domain or released under Unlicense (provide reliable evidence)

What is the purpose of your pull request?

• Bug fix
• Improvement
• New extractor
• New feature

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Description of your pull request and other information

• fixing [mp4upload] Add new extractor #9988
• changing detecting to p,a,c,k,e,d(jwplayer)

[bato3]

• 'url': poor_info_dict.get('formats')[0].get('url'),

I hope it was about: .get('formats', [{}])

• "Breaks on unexpected data." time.mktime(time.strptime

I can not deal with it other than try/except

[ghost]

Bump (if such exists on GH)
#19103

This one is definitely better

[loso20p]

does this still grab mp4upload links