[8.0](backport #28675) Update standalone agent manifest conditions and scheduler and controllermanager default hosts

[mergify]

This is an automatic backport of pull request #28675 done by Mergify.

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• Start Time: 2021-11-03T06:35:26.827+0000

• Duration: 58 min 52 sec

• Commit: 0550b78

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Test	Results
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Skipped	0
Total	3

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