Input: fix defuzzing logic

Input: fix defuzzing logic

We attempt to remove noise from coordinates reported by devices in
input_handle_abs_event(), unfortunately, unless we were dropping the
event altogether, we were ignoring the adjusted value and were passing
on the original value instead.

Cc: [email protected]
Reviewed-by: Andrew de los Reyes <[email protected]>
Reviewed-by: Benson Leung <[email protected]>
Reviewed-by: David Herrmann <[email protected]>
Reviewed-by: Henrik Rydberg <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>