The goal for this PR is to patch Tensorflow r2.0 release, so it would fully enable ROCm
non-xla path support.

Most of the PRs been cherry-picked in this patch have already been upstreamed in the
upstream master branch.

The following were all the related commits been cherry-picked:

Commits on Aug 20, 2019
deven-amd and sunway513
adding/updating ROCm support in the ci_build scripts
d5a0eee
deven-amd and sunway513
updating Dockerfile.rocm to pick a specific version of the rocm libra… …
e335575
deven-amd and sunway513
adding a script for testing the ROCm Community Supported Build
ae83a20

Commits on Aug 22, 2019
deven-amd and sunway513
Resolve merge conflicts for PR #31393
73ff708
deven-amd and sunway513
The following PR/commit breaks the --config=rocm build …
614bdb5
deven-amd and sunway513
updating testcases to work correctly with ROCm
1685240
jeffdaily and sunway513
improve concurrency between compute and nccl streams …
3fbb049
whchung and sunway513
[ROCm] enable roll op on ROCm.
1d5f440
whchung and sunway513
[ROCm] enable InTopK op on ROCm.
941f713
deven-amd and sunway513
updating README.md with information on ROCm Community Supported Builds
73ce64e

Commits on Aug 25, 2019
houtoms and sunway513
fixed potential rocm breaks from use_padded_io
0832b33
deven-amd and sunway513
adding no_rocm tag on unit-tests that check features that are current… …
7aed626
deven-amd and sunway513
Adding ROCm support for reduction ops
82bd216
sunway513
Fix ROCm path build error in rocm_dnn.h
5dba305

Commits on Aug 27, 2019
deven-amd
fixing test failures by skipping parts that functionality not yet sup… …
be6378c
sunway513
Merge pull request #616 from ROCmSoftwarePlatform/r2.0-rocm-upstream-… …
d98a943
sunway513
Add no_rocm tag to //tensorflow/python:stateful_random_ops_test_gpu
d05a47f

Commits on Sep 04, 2019
sunway513
Merge branch 'r2.0-rocm-upstream' of https://github.com/ROCmSoftwareP… …
b1148e4

Commits on Sep 06, 2019
deven-amd and sunway513
adding ROCm support in the build_pip_package script
b908324