Merge b8ca465e73ac0954a0c9eec2a84bdd8913d5763b into 90a443f9 Closes #2396 COPYBARA_INTEGRATE_REVIEW=https://github.com/google/googletest/pull/2396 from kuzkry:custom-type-traits-true/false_type-and-bool_constant b8ca465e73ac0954a0c9eec2a84bdd8913d5763b PiperOrigin-RevId: 265064856
