By default, only use train program to create executor checkpointer, only use eval/decode programs when train program not specified, e.g. train_executions_per_eval=0.
By default, only use train program to create executor checkpointer, only use eval/decode programs when train program not specified, e.g. train_executions_per_eval=0.

PiperOrigin-RevId: 424719699

tensorflow/lingvo,tensorflow/lingvo,tensorflow/lingvo,tensorflow/lingvo