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/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index a42238e..92404d4 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -2063,7 +2063,7 @@
     private void commitTempPlacement() {
         mTmpOccupied.copyTo(mOccupied);
 
-        long screenId = mLauncher.getWorkspace().getIdForScreen(this);
+        int screenId = mLauncher.getWorkspace().getIdForScreen(this);
         int container = Favorites.CONTAINER_DESKTOP;
 
         if (mContainerType == HOTSEAT) {
@@ -2688,8 +2688,8 @@
     //    the CellLayout that was long clicked
     public static final class CellInfo extends CellAndSpan {
         public final View cell;
-        final long screenId;
-        final long container;
+        final int screenId;
+        final int container;
 
         public CellInfo(View v, ItemInfo info) {
             cellX = info.cellX;