Nice report @joshsigurdson. Do you think that the OK Google functionality is the only way they are recording conversations or there other methods as well with more consistent recording? If it's only the OK Google aspect, can't a user just turn that off? I don't even have it installed since I'm running CopperheadOS which has no Google apps, so I can't verify.
I do notice that the Android System is constantly sending data to an unknown IP, and it's not something I can prevent without rooting my phone.