I had the same issue. I sent my phone to ubreakifix (Google's official repair partner) for a repair with warranty. After completing the repair they asked for my

I had the same issue. I sent my phone to ubreakifix (Google's official repair partner) for a repair with warranty. After completing the repair they asked for my password and said that if I didn't provide it it would void the warranty on my phone. I refused and they eventually relented while still providing the warranty but it ended up delaying the repair by 5 days (for a 2h repair).