Permission to manage device admins

Change-Id: I4c3c86cc6c0dba16c51dc45f62e1213ad5be5df0
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index c894453..bd3b8d3 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -65,6 +65,7 @@
     <uses-permission android:name="android.permission.SET_TIME" />
     <uses-permission android:name="android.permission.ACCESS_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.REBOOT" />
+    <uses-permission android:name="android.permission.MANAGE_DEVICE_ADMINS" />
 
     <application android:label="@string/settings_label"
             android:icon="@mipmap/ic_launcher_settings"