Move icons to mipmap.

Change-Id: If3bd32658300cb028411d1aa7a3f56d8c1d234eb
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 38579b6..1638c90 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -43,7 +43,7 @@
     <uses-permission android:name="android.permission.MOVE_PACKAGE" />
 
     <application android:label="@string/settings_label"
-            android:icon="@drawable/ic_launcher_settings"
+            android:icon="@mipmap/ic_launcher_settings"
             android:taskAffinity=""
             android:hardwareAccelerated="true">