Fix bug 2523622 - ListView invokes onItemClick for disabled adapter items
Fix bug 2523622 - ListView invokes onItemClick for disabled adapter items

AbsListView was relying on TOUCH_MODE_DOWN to signal that the item was
enabled, but onInterceptTouchEvent uses it for other purposes. Check
before dispatching the event.

Change-Id: I6babd3872cb51ebdba8e97a3b349e0cc08cd1279

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base