Protect against class cast exception DO NOT MERGE

Missed instance of this problem in saveOffsets() in previous fix made
to onPreDraw()

Bug:12228894
Change-Id: I9bd9596f670f4fe8eb355fccd1c0641e5ee37306
(cherry picked from commit e3b3b4a864d8c417217e3cff847f63f165cb4141)
diff --git a/src/com/android/dialer/list/PhoneFavoriteFragment.java b/src/com/android/dialer/list/PhoneFavoriteFragment.java
index 354765f..0d33b4c 100644
--- a/src/com/android/dialer/list/PhoneFavoriteFragment.java
+++ b/src/com/android/dialer/list/PhoneFavoriteFragment.java
@@ -444,7 +444,8 @@
             final int position = firstVisiblePosition + i;
             final long itemId = mAdapter.getItemId(position);
             final int itemViewType = mAdapter.getItemViewType(position);
-            if (itemViewType == PhoneFavoritesTileAdapter.ViewTypes.TOP) {
+            if (itemViewType == PhoneFavoritesTileAdapter.ViewTypes.TOP &&
+                    child instanceof ContactTileRow) {
                 // This is a tiled row, so save horizontal offsets instead
                 saveHorizontalOffsets((ContactTileRow) child, (ArrayList<ContactEntry>)
                         mAdapter.getItem(position),