Unlike some "private" DNS providers (like Cloudflare's 1.1.1.1 or Quad9), Google Public DNS does log data. According to Google’s privacy policy:
A Google DNS profile is a configuration file that allows users to easily set up and manage Google DNS on their devices. By downloading a Google DNS profile, users can quickly configure their devices to use Google DNS, without having to manually enter DNS server addresses. A Google DNS profile typically includes settings for DNS servers, search domains, and other DNS-related configurations. google dns profile download