Converting long item IDs to int

> Items ids were already being typecasted to int when being bound on the UI
> Using a consistent type allow better use of platform data-structures
> Adding IntArray and IntSet as a replacement for various Collection classes

Change-Id: Id3c650ed2420c2bfca3bd7671d2b705b56112371
diff --git a/src/com/android/launcher3/LauncherSettings.java b/src/com/android/launcher3/LauncherSettings.java
index 3b337ef..0b12b15 100644
--- a/src/com/android/launcher3/LauncherSettings.java
+++ b/src/com/android/launcher3/LauncherSettings.java
@@ -128,7 +128,7 @@
          *
          * @return The unique content URL for the specified row.
          */
-        public static Uri getContentUri(long id) {
+        public static Uri getContentUri(int id) {
             return Uri.parse("content://" + LauncherProvider.AUTHORITY +
                     "/" + TABLE_NAME + "/" + id);
         }