Also copy ubuntu sanity build

tensorflow/tools/ci_build/rel/ubuntu/sanity.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+set -e
+
+# Install latest bazel
+source tensorflow/tools/ci_build/release/common.sh
+update_bazel_linux
+which bazel
+
+# We need py3 lint
+sudo pip3 install pep8
+
+# TODO(gunan): figure out why we get stuck with later versions of pylint.
+# Install pylint.
+sudo python2 -m pip install pylint==1.6.4
+sudo python3 -m pip install pylint==1.6.4
+
+# TODO(yifeif): print pylint version for debug. remove later.
+python3 -m pylint --version
+
+# Run tensorflow sanity checks.
+tensorflow/tools/ci_build/ci_sanity.sh