Merge "Add new, hidden MotionEvent flag for partially obscured windows." into mnc-dev am: 224582e am: c6629bd
am: a8064c2

* commit 'a8064c2a8b54881bceade03a9d2f6c1223e055f3':
  Add new, hidden MotionEvent flag for partially obscured windows.

Change-Id: I4e8d2bff82a3308c5966a0b0c154209b727db669