`tf.config.experimental.enable_tensor_float_32_execution`.
*   `tf.math`:
    *   Adds `tf.math.erfcinv`, the inverse to `tf.math.erfc`.
*   `tf.nn`:
    *   `tf.nn.max_pool2d` now supports explicit padding.
*   `tf.image`:
    *   Adds deterministic `tf.image.stateless_random_*` functions for each
        `tf.image.random_*` function. Added a new op