Add quick settings permission to system ui

Makes it possible to use the new quick settings api from:
I82b6bebb0b21a5c9eb926cb1a761cac340a293df

Change-Id: I053bb2b28284c4f49d67339b617ef72ede1f2843
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index 2e65656..51b84f5 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -136,6 +136,9 @@
             android:protectionLevel="signature" />
     <uses-permission android:name="com.android.systemui.permission.SELF" />
 
+    <!-- Adding Quick Settings tiles -->
+    <uses-permission android:name="android.permission.BIND_QUICK_SETTINGS_TILE" />
+
     <application
         android:name=".SystemUIApplication"
         android:persistent="true"