DO NOT MERGE Take advantage of new MotionEvent flag to prevent tapjacking.
am: b431433

* commit 'b431433dabd769d0e1688a49dad100b7b65ff66b':
  DO NOT MERGE Take advantage of new MotionEvent flag to prevent tapjacking.

Change-Id: I912f1e75ba02a3b2309eb175f54e573f4e7c4344