message: Update 2.5 Release notes for TF lite:
  "Quantized x86 execution defaults to Ruy GEMM library for platforms with AVX support"
diff: ML authoring is generally discouraged.
  * Add support for static hash tables through
  `TFLiteConverter.from_saved_model`.
  + * Quantized x86 execution defaults to Ruy GEMM library for platforms with
  + AVX support.
  * TF Core:
  * Corrected higher-order gradients of control flow constructs (`tf.cond`,
  