Fill in the last event time for synced events

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Fix invalid abs_info read

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Skip over ABS_MT_SLOT when syncing MT axis values

The slot event is already on the queue.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>