DO NOT MERGE Take advantage of new MotionEvent flag to prevent tapjacking. am: b431433 am: ae0dc4e
am: ac5a29e

* commit 'ac5a29e577fe9d5491f2acfdcf49093a00b531b0':
  DO NOT MERGE Take advantage of new MotionEvent flag to prevent tapjacking.

Change-Id: I1be0df4aae2a9f64fc9dd199b158b21aec3d04d2