The current implementation of touch calibration and association stores user specific data that is visible to other users on the device. 

We want to surface this information to the user as well as give them control of deleting this data.

Specifically, 
  1. we want the users to know that touch calibration and 
     association data is shared among all users of the device.
  2. Provide a button to delete any touch associated data for a
     given display.