Merge change 5237 into donut

* changes:
  Calling setItemChecked(p, true) twice would toggle the selection in ListView.

core/java/android/widget/ListView.java

@@ -3264,9 +3264,13 @@ public class ListView extends AbsListView {
         if (mChoiceMode == CHOICE_MODE_MULTIPLE) {
             mCheckStates.put(position, value);
         } else {
-            boolean oldValue = mCheckStates.get(position, false);
+            // Clear the old value: if something was selected and value == false
+            // then it is unselected
             mCheckStates.clear();
-            if (!oldValue) {
+            // If value == true, select the appropriate position
+            // this may end up selecting the value we just cleared but this way
+            // we don't have to first to a get(position)
+            if (value) {
                 mCheckStates.put(position, true);
             }
         }