Fixing the write of BackgroundData setting.

I outsmarted myself trying to minimize writes and caused no writes to occur.

bug:3485934
Change-Id: I292e6837d29903a21abb6e001d25d96a4cdc18ec
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index 8e39a63..758a46a 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -989,13 +989,11 @@
     }
 
     private void handleSetBackgroundData(boolean enabled) {
-        if (enabled != getBackgroundDataSetting()) {
-            Settings.Secure.putInt(mContext.getContentResolver(),
-                    Settings.Secure.BACKGROUND_DATA, enabled ? 1 : 0);
-            Intent broadcast = new Intent(
-                    ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED);
-            mContext.sendBroadcast(broadcast);
-        }
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.BACKGROUND_DATA, enabled ? 1 : 0);
+        Intent broadcast = new Intent(
+                ConnectivityManager.ACTION_BACKGROUND_DATA_SETTING_CHANGED);
+        mContext.sendBroadcast(broadcast);
     }
 
     /**