7f02dc5c9c
Add documentation to setOnCancelListener to clarify that the cancel event plus the events for the various choice buttons are not the exhaustive set of ways the dialog can be dismissed, and that a dismiss listener should be used if the app needs to cover all cases of dismissal. Change-Id: I9e9d6f90f6f9ccaeb2c697474ab353e2d78f37b9