Fixed numbering of list items for Projection Scrolling List Test

Change-Id: I861f4e9e4ba92fcf71efeb71d859986588ff20b7
diff --git a/apps/CtsVerifier/src/com/android/cts/verifier/projection/list/ListPresentation.java b/apps/CtsVerifier/src/com/android/cts/verifier/projection/list/ListPresentation.java
index 5dddf5c..46abaaa 100644
--- a/apps/CtsVerifier/src/com/android/cts/verifier/projection/list/ListPresentation.java
+++ b/apps/CtsVerifier/src/com/android/cts/verifier/projection/list/ListPresentation.java
@@ -50,7 +50,7 @@
         setContentView(view);
 
         for (int i = 0; i < NUM_ITEMS; ++i) {
-            mItemList.add("Item #" + 1 + i);
+            mItemList.add("Item #" + (1 + i));
         }
 
         ListView listView = (ListView) view.findViewById(R.id.pla_list);