Update icon packs.

- Add back arrow for QS customizer
- Update work profile status bar / QS / corp badge icon to GM2
- Add Settings and Launcher overlay icons

Bug: 131346125
Test: visual
Change-Id: I61b56b04993ef19b5e66c9ad3d78eddcfce3aeb1
diff --git a/packages/overlays/IconPackCircularSettingsOverlay/res/drawable/ic_arrow_down_24dp.xml b/packages/overlays/IconPackCircularSettingsOverlay/res/drawable/ic_arrow_down_24dp.xml
new file mode 100644
index 0000000..6419515
--- /dev/null
+++ b/packages/overlays/IconPackCircularSettingsOverlay/res/drawable/ic_arrow_down_24dp.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   Copyright (C) 2019 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:height="24dp"
+    android:tint="?android:attr/colorControlNormal"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp" >
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19.78,8.22c-0.29-0.29-0.77-0.29-1.06,0L12,14.94L5.28,8.22c-0.29-0.29-0.77-0.29-1.06,0s-0.29,0.77,0,1.06L12,17.06 l7.78-7.78C20.07,8.99,20.07,8.51,19.78,8.22z" />
+</vector>
\ No newline at end of file