message: Fix incorrect link to xla.compile colab example
diff: @@ -86,7 +86,7 @@ on uncompilable operator, xla.compile() returns an explicit error. This is
  useful if you want more predictable behaviors from XLA compilation.
  Please see
  -[xla.compile() tutorial Colab](https://colab.sandbox.google.com/github/tensorflow/compiler/xla/g3doc/tutorials/xla_compile.ipynb)
  +[xla.compile() tutorial Colab](./tutorials/xla_compile.ipynb)
  for how to use it.
  ### Placing operators on XLA devices
  