Settings: Do not disturb automatic rule updates.

 - Remove FAB for adding rules, move to last preference.
 - Add first-class event condition type and config sub-page.
 - Always show radio buttons when adding rules.
 - Add new data model for event rules.
 - Add stub condition provider for event rules (always false for now).
 - Add rule-type icons to rule preference rows.

Bug: 20064962
Change-Id: Id5acde371eb2e7d22b1f195459897614db5ba80a
diff --git a/res/drawable/ic_add.xml b/res/drawable/ic_add.xml
new file mode 100644
index 0000000..5939c97
--- /dev/null
+++ b/res/drawable/ic_add.xml
@@ -0,0 +1,24 @@
+<!--
+    Copyright (C) 2015 The Android Open Source Project
+
+    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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="32.0dp"
+        android:height="32.0dp"
+        android:viewportWidth="48.0"
+        android:viewportHeight="48.0">
+    <path
+        android:fillColor="?android:attr/colorControlNormal"
+        android:pathData="M38.0,26.0L26.0,26.0l0.0,12.0l-4.0,0.0L22.0,26.0L10.0,26.0l0.0,-4.0l12.0,0.0L22.0,10.0l4.0,0.0l0.0,12.0l12.0,0.0l0.0,4.0z"/>
+</vector>