Add security status icons.

Bug: 31002801
Test: make RunSettingsRoboTests

Also tested manually in app.

Change-Id: I7496d9910657600c381202c0f3f78315e2de42ad

res/drawable/ic_ota_update_current.xml

@@ -0,0 +1,32 @@
+<!--
+    Copyright (C) 2017 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="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:pathData="M0,0l24,0l0,24l-24,0z"
+        android:strokeColor="#000000"
+        android:fillColor="#00000000"
+        android:strokeWidth="1.33333335e-11"
+        android:strokeAlpha="0.00784313771"/>
+    <path
+        android:pathData="M17,1.01L7,1C5.9,1 5,1.9 5,3L5,21C5,22.1 5.9,23 7,23L17,23C18.1,23 19,22.1 19,21L19,3C19,1.9 18.1,1.01 17,1.01ZM17,19L7,19L7,5L17,5L17,19ZM10.627,13.093L9.144,11.746L8.054,12.79L10.627,15.181L16.156,10.044L15.066,9L10.627,13.093Z"
+        android:strokeColor="#00000000"
+        android:fillColor="#4A90E2"
+        android:strokeWidth="1"/>
+</vector>