Fix size of last page of QSPanel

Sizing should always use the size of page 0.

Test: manual
Fixes: 209476721
Change-Id: Ia01d48ceeef46271535bca24924b9b47367cc92a

packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java

@@ -114,7 +114,8 @@ public class PagedTileLayout extends ViewPager implements QSTileLayout {
 
     @Override
     public int getTilesHeight() {
-        TileLayout tileLayout = mPages.get(getCurrentItem());
+        // Use the first page as that is the maximum height we need to show.
+        TileLayout tileLayout = mPages.get(0);
         if (tileLayout == null) {
             return 0;
         }