message: Fix set_random_seed docstring to clarify that it operates on the default graph.
diff: @@ -86,7 +86,7 @@ def get_seed(op_seed):
  @tf_export(v1=['random.set_random_seed', 'set_random_seed'])
  def set_random_seed(seed):
  - """Sets the graph-level random seed.
  + """Sets the graph-level random seed for the default graph.
  Operations that rely on a random seed actually derive it from two seeds:
  the graph-level and operation-level seeds. This sets the graph-level seed.
  