test: fix a missing finger release

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
test: fix resolution on T440s multitouch axes

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
test: fix x/y resolution for a test device

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
touchpad: check the pointer touch for history size

The current touch may not be the pointer touch, so it's pointless checking the
history size on that touch. Instead, search for the pointer touch first, check
if it's dirty and then check the history size.

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