message: Test nightly_release CPU config.
diff: @@ -27,18 +27,11 @@ install_bazelisk
  python2.7 tensorflow/tools/ci_build/update_version.py --nightly
  # Run configure.
  -export TF_NEED_GCP=1
  -export TF_NEED_HDFS=1
  -export TF_NEED_S3=1
  -export TF_NEED_CUDA=0
  -export CC_OPT_FLAGS='-mavx'
  export PYTHON_BIN_PATH=$(which python3.6)
  yes "" | "$PYTHON_BIN_PATH" configure.py
  # Build the pip package
  -bazel build --config=opt --config=v2 \
  - --crosstool_top=//third_party/toolchains/preconfig/ubuntu16.04/gcc7_manylinux2010-nvcc-cuda10.1:toolchain \
  - tensorflow/tools/pip_package:build_pip_package
  +bazel build --config=release_cpu_linux tensorflow/tools/pip_package:build_pip_package
  ./bazel-bin/tensorflow/tools/pip_package/build_pip_package pip_pkg --cpu --nightly_flag
  