The changes between the two versions can be found in this diff of the
two release tags:
https://github.com/google/googletest/compare/v1.15.2...v1.17.0
One notable change is that GoogleTest 1.17.0 now requires C++-17 to
build.
MFC after: 2 weeks
Merge commit '3a4c29b5bed4ea20266ad9371fbfdc6bca088f92'