[ROCm] Set correct tolerance values for bfloat16 div tests (#38823)
Summary:
This PR fixes the tolerance values for some of the bfloat16 div tests that were enabled on ROCm with incorrect tolerance values in the PR https://github.com/pytorch/pytorch/pull/38621
Also disabled(to unblock CI) `test_addcdiv*` for which the error is large when absolute values in the tensor are higher. This will have to be investigated further.
ezyang jeffdaily sunway513
Pull Request resolved: https://github.com/pytorch/pytorch/pull/38823
Differential Revision: D21686290
Pulled By: ezyang
fbshipit-source-id: 85472680e1886bdc7c227ed2656e0b4fd5328e46
