Merge "Add new, hidden MotionEvent flag for partially obscured windows." into mnc-dev am: 224582e am: c6629bd am: a8064c2 am: bc57aae
am: c348fa3

* commit 'c348fa319df3c9980383b904d371ddd93baf5c21':
  Add new, hidden MotionEvent flag for partially obscured windows.

Change-Id: I52f9cce7770394fa693cc3016b2c1c22e526427d