fix qs_rows in two functions

Author: Tkkg1994

app/src/main/res/xml/notification_panel_prefs.xml

@@ -348,13 +348,13 @@
                 android:defaultValue="4"
                 android:entries="@array/qs_tile_column_entries"
                 android:entryValues="@array/qs_tile_column_values"
-                android:key="qs_rows"
+                android:key="qs_columns"
                 android:title="@string/QuickTilesColumnPortrait" />
             <com.wubydax.romcontrol.v2.prefs.MyListPreference
                 android:defaultValue="6"
                 android:entries="@array/qs_tile_column_landscape_entries"
                 android:entryValues="@array/qs_tile_column_landscape_values"
-                android:key="qs_rows_landscape"
+                android:key="qs_columns_landscape"
                 android:title="@string/QuickTilesColumnLandscape" />
         </PreferenceCategory>
     </PreferenceScreen>