Added base template for config ui.

appengine/config_service/ui/bower_components/polymer/polymer.html

Index: appengine/config_service/ui/bower_components/polymer/polymer.html
diff --git a/appengine/config_service/ui/bower_components/polymer/polymer.html b/appengine/config_service/ui/bower_components/polymer/polymer.html
new file mode 100644
index 0000000000000000000000000000000000000000..0331373cd6883e294f9c3c73e2984326ce586467
--- /dev/null
+++ b/appengine/config_service/ui/bower_components/polymer/polymer.html
@@ -0,0 +1,25 @@
+<!--
+@license
+Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+<link rel="import" href="lib/legacy/legacy-element-mixin.html">
+<link rel="import" href="lib/legacy/polymer-fn.html">
+<!-- template elements -->
+<link rel="import" href="lib/legacy/templatizer-behavior.html">
+<link rel="import" href="lib/elements/dom-bind.html">
+<link rel="import" href="lib/elements/dom-repeat.html">
+<link rel="import" href="lib/elements/dom-if.html">
+<link rel="import" href="lib/elements/array-selector.html">
+<!-- custom-style -->
+<link rel="import" href="lib/elements/custom-style.html">
+<!-- bc behaviors -->
+<link rel="import" href="lib/legacy/mutable-data-behavior.html">
+<script>
+  // bc
+  Polymer.Base = Polymer.LegacyElementMixin(HTMLElement).prototype;
+</script>