Bring the Keras API in contrib.
Change: 150237453
diff --git a/tensorflow/contrib/BUILD b/tensorflow/contrib/BUILD
index 29d60ae..c97e283 100644
--- a/tensorflow/contrib/BUILD
+++ b/tensorflow/contrib/BUILD
@@ -33,6 +33,7 @@
         "//tensorflow/contrib/imperative",
         "//tensorflow/contrib/input_pipeline:input_pipeline_py",
         "//tensorflow/contrib/integrate:integrate_py",
+        "//tensorflow/contrib/keras",
         "//tensorflow/contrib/labeled_tensor",
         "//tensorflow/contrib/layers:layers_py",
         "//tensorflow/contrib/learn",