benchmark

[clang-tidy] fix warning about decaying array to pointer (#1926)

* [clang-tidy] fix warning about decaying array to pointer

* fix a different warning (old style cast)

* use string_view instead of old-style const char* strings

* ensure bazel windows is using c++17

* learn to use bazel

* and tests

* precommit fix

* more string_view creation and casting

* format

* format

* [clang-tidy] use unique_ptr for benchmark registration (#1927)

* use unique_ptr for benchmark registration