Create launcher icon pack overlay

Bug: 126738409
Test: builds

$ adb shell cmd overlay enable-exclusive --user 0 com.android.theme.icon_pack.rounded.launcher
$ adb shell cmd overlay enable-exclusive --user 0 com.android.theme.icon_pack.filled.launcher
$ adb shell cmd overlay enable-exclusive --user 0 com.android.theme.icon_pack.circular.launcher

Change-Id: Ic15b6fbf8e4c2d643357e29ec65782daeaaceb52
diff --git a/packages/overlays/IconPackRoundedLauncherOverlay/res/drawable/ic_warning.xml b/packages/overlays/IconPackRoundedLauncherOverlay/res/drawable/ic_warning.xml
new file mode 100644
index 0000000..f92842a
--- /dev/null
+++ b/packages/overlays/IconPackRoundedLauncherOverlay/res/drawable/ic_warning.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:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#000000"
+        android:pathData="M12.87,3.49c-0.39-0.67-1.35-0.67-1.73,0l-9.27,16C1.48,20.17,1.96,21,2.73,21h18.53c0.77,0,1.25-0.83,0.87-1.5L12.87,3.49 z M11,10c0-0.55,0.45-1,1-1s1,0.45,1,1v3c0,0.55-0.45,1-1,1s-1-0.45-1-1V10z M12,18.25c-0.69,0-1.25-0.56-1.25-1.25 s0.56-1.25,1.25-1.25s1.25,0.56,1.25,1.25S12.69,18.25,12,18.25z" />
+</vector>
\ No newline at end of file