I mean, I don't trust as a binary. I have continuums of trust from very little to very much. I know that people are capable of privilege escalation and persistence. I've seen it with my own eyes. I know it's unlikely that that specific piece of malware was able to get persistent root, but it could have and it also could have exfiltrated cryptographic keys or certificate or bearer tokens while it was on there. Better to just get a new phone if you're such an experienced software developer that you literally helped build Android.