Fix issue #27291496: Remove Background Check from Settings / Dev Options

Change-Id: Ifb72a125e1ab73c3f6ab970a970ca0d97d701173
diff --git a/res/xml/development_prefs.xml b/res/xml/development_prefs.xml
index 93b9eb1..1b056b8 100644
--- a/res/xml/development_prefs.xml
+++ b/res/xml/development_prefs.xml
@@ -341,9 +341,11 @@
             android:entries="@array/app_process_limit_entries"
             android:entryValues="@array/app_process_limit_values" />
 
+        <!-- hiding for now.
         <Preference
                 android:key="background_check"
                 android:title="@string/background_check_pref" />
+        -->
 
         <SwitchPreference
             android:key="show_all_anrs"