Sync preprocesses before loading the processor at run_speech_recognition_ctc.py (#21926)
* Update run_speech_recognition_ctc.py
Make sure all processes wait until data is saved before loading the processor from the output_dit
* Make sure all processes wait until data is saved before loading the processor from the output_dit
* Update run_speech_recognition_ctc.py
* Update run_speech_recognition_seq2seq.py