Revert "hand rolled out 220f4d633be1098e7887dbd06f179138bf19f1ad due to interface changes on master, the change will need to be made again"

This reverts commit f8e3ba5bfad14f3037d72eb6243258c13169cbd8.
diff --git a/packages/SettingsProvider/AndroidManifest.xml b/packages/SettingsProvider/AndroidManifest.xml
index 2407d87..9109606 100644
--- a/packages/SettingsProvider/AndroidManifest.xml
+++ b/packages/SettingsProvider/AndroidManifest.xml
@@ -4,6 +4,7 @@
 
     <application android:allowClearUserData="false"
                  android:label="@string/app_label"
+                 android:backupAgent="SettingsBackupAgent"
                  android:icon="@drawable/ic_launcher_settings">
 
         <provider android:name="SettingsProvider" android:authorities="settings"