When we receive a RMI4 report, we should not unconditionally send an
input_sync event. Instead, we should let the rmi4 transport layer do it
for us.

This fixes a situation where we might receive X in a report and the rest
in a subsequent one. And this messes up user space.

Link: https://bugs.freedesktop.org/show_bug.cgi?id=100436Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Tested-by: Oscar Morante <spacepluk@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>