I believe this is because of a code typo that skips the skip on-boarding, which causes significant delays. I've pushed a patch to double check this I will know soon what it says
Bug 1894317 Comment 5 Edit History
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I believe this is because of [a code typo that skips the skip on-boarding](https://searchfox.org/mozilla-central/source/python/mozperftest/mozperftest/system/android_startup.py#434), which causes significant delays. I've pushed a patch to double check this I will know soon what it says