Fix divide by 0

Bug: 76392987
Change-Id: Ib55b3e47b296f4aaa690f7af83c5d92b242ed029
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 41ac6b1..159ee1b 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -680,6 +680,9 @@
     }
 
     private void snapToPageRelative(int delta) {
+        if (getPageCount() == 0) {
+            return;
+        }
         snapToPage((getNextPage() + getPageCount() + delta) % getPageCount());
     }