Cross Reference: /external/tensorflow/tensorflow/contrib/nccl

`Name`	`Date`	`Size`
Up to higher level directory
`__init__.py`	21-Aug-2018	`1.4K`
`BUILD`	21-Aug-2018	`3.7K`
`kernels/`	21-Aug-2018
`ops/`	21-Aug-2018
`python/`	21-Aug-2018