Reads to me like you're answering your own question.
Display inside the app and immediately before the first start of ...
The Berne Convention on copyright specifies the Right to Quote as an exception to copyright.
Article 10 (1) It shall be permissible to make quotations from a work which has already been lawfully made available to the public, provided that their making is compatible with fair practice, and their extent does not exceed that justified by the purpose, ...
The "company TOS" specifically says that it applies to all of Google's Services. It also says:
Our Services are very diverse, so sometimes additional terms or
product requirements (including age requirements) may apply.
Additional terms will be available with the relevant Services, and
those additional terms become part of your agreement with us if ...