Use new apply() instead of commit().

apply() starts an async disk write and doesn't have a return
value but is otherwise identical in observable effects.

Change-Id: I0f528607319d7eb5136bb11fce0b24d8741ccdf9

src/com/android/settings/bluetooth/RequestPermissionActivity.java

@@ -277,7 +277,7 @@ public class RequestPermissionActivity extends Activity implements
         editor.putLong(
                 BluetoothDiscoverableEnabler.SHARED_PREFERENCES_KEY_DISCOVERABLE_END_TIMESTAMP,
                 endTimestamp);
-        editor.commit();
+        editor.apply();
     }
 
     @Override