No you can’t. It’s formally called “the analog hole” when security folks yap about it. Usually it’s used to end DLP discussions after too many what-ifs
You could use an Apple or an alternative to Android like Fairphone or even load GrapheneOS on that Google Pixel phone. Even better would be a Linux phone that uses an Android VM so it looks like a bare metal installation.
Could go old school and just get a digital only camera that is not even part of a smartphone. An hidden camera in a pen or shirt button would work too.
Has anyone hacked the Meta glasses so they don't communicate with Meta and allow for communication to your own designated servers?