Merge pull request tensorflow#10048 from av8ramit/cherrypicks

Seal learn_runner.

tensorflow/contrib/learn/__init__.py

@@ -88,7 +88,7 @@
 from tensorflow.contrib.learn.python.learn import *
 # pylint: enable=wildcard-import
 
-from tensorflow.contrib.learn.python.learn import learn_runner
+from tensorflow.contrib.learn.python.learn import learn_runner_lib as learn_runner
 
 from tensorflow.python.util.all_util import remove_undocumented
 

tensorflow/contrib/learn/python/learn/learn_runner_lib.py

@@ -0,0 +1,30 @@
+# Copyright 2017 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.
+# ==============================================================================
+"""Utilities to run and tune an Experiment.
+
+@@run
+@@tune
+"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+from tensorflow.contrib.learn.python.learn.learn_runner import *  # pylint: disable=wildcard-import
+
+from tensorflow.python.util.all_util import remove_undocumented
+
+_allowed_symbols = []
+
+remove_undocumented(__name__, _allowed_symbols)