s/runScheduledSampleFunc/_run_scheduled_sample_func to keep linter happy.
s/runScheduledSampleFunc/_run_scheduled_sample_func to keep linter happy.

PiperOrigin-RevId: 212057756

vthorsteinsson/tensor2tensor,tensorflow/tensor2tensor,vthorsteinsson/tensor2tensor,tensorflow/tensor2tensor,vthorsteinsson/tensor2tensor,tensorflow/tensor2tensor,vthorsteinsson/tensor2tensor,tensorflow/tensor2tensor,tensorflow/tensor2tensor