Avoid relying on std::max being constexpr, which is c++14 behavior but is not implemented on TensorFlow continuous integration on Ubuntu 16.
Avoid relying on std::max being constexpr, which is c++14 behavior but is not implemented on TensorFlow continuous integration on Ubuntu 16.

PiperOrigin-RevId: 319268281

google/ruy,google/ruy,google/ruy,google/ruy