Make use of autoboxing

Change-Id: I5eb463abbacc8804712a10bdccfe5535ba82c07b

toolkit/test/accessibility/AccTreeNode.java

@@ -359,7 +359,7 @@ class AccTreeNode
                 aDescriptor.mnChildCount = nChildCount;
                 // Fill in the indices of the updated children.
                 for (int j=0; j<nChildCount; j++)
-                    aChildIndices.add(new Integer(j+nOffset));
+                    aChildIndices.add(j+nOffset);
             }
             nOffset += aDescriptor.mnChildCount;
         }

toolkit/test/accessibility/AccessibilityTreeModel.java

@@ -401,7 +401,7 @@ public class AccessibilityTreeModel
         int nChildIndices[] = new int[nCount];
         for (int i=0; i<nCount; i++)
         {
-            int nIndex = aChildIndices.elementAt(i).intValue();
+            int nIndex = aChildIndices.elementAt(i);
             aChildObjects[i] = aNode.getChild (nIndex);
             nChildIndices[i] = nIndex;
         }

toolkit/test/accessibility/AccessibleTreeCellRenderer.java

@@ -79,7 +79,7 @@ public class AccessibleTreeCellRenderer
         if (maChangedLines.size() <= nRow)
             maChangedLines.setSize (nRow+1);
         nRow -= 1; // row index is one to large for some reason.
-        maChangedLines.set (nRow, new Boolean (true));
+        maChangedLines.set (nRow, true);
     }
 
     /** Inform the cell renderer of a set of changed line which to paint