Fix crash on PagedTileLayout

Test: Manual
Change-Id: I4fe463db38c4dd67091cf26535de79e80b074517
Fixes: 117266580
diff --git a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
index 4b5ab2a..ad80584 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
@@ -116,6 +116,7 @@
         super.onFinishInflate();
         mPages.add((TilePage) LayoutInflater.from(getContext())
                 .inflate(R.layout.qs_paged_page, this, false));
+        mAdapter.notifyDataSetChanged();
     }
 
     public void setPageIndicator(PageIndicator indicator) {