Add Op for next probabilities
Add Op for next probabilities

nke001/attention-lvcsr,nke001/attention-lvcsr,rizar/attention-lvcsr,nke001/attention-lvcsr,rizar/attention-lvcsr,rizar/attention-lvcsr,rizar/attention-lvcsr,nke001/attention-lvcsr,nke001/attention-lvcsr,rizar/attention-lvcsr