*   Match FakeQuant numerics in TFLite to improve accuracy of TFLite
        quantized inference models.
    *   Optional bucket location check for the GCS Filesystem.
    *   Performance enhancements for StringSplitOp & StringSplitV2Op.
    *   Performance improvements for regex replace operations.
    *   TFRecordWriter now raises an error if .write() fails.
    *   TPU: More helpful error messages in TPUClusterResolvers.