transformers

516af4bb - fixes #32329 : The Torch code is correct - to get an average of 10% o… (#32335)

fixes #32329 : The Torch code is correct - to get an average of 10% o… (#32335) fixes #32329 : The Torch code is correct - to get an average of 10% of the total, we want to take 50% of the remainder after we've already masked 80% with [MASK] in the previous step.