UPSTREAM: Four finger swipes in multitouch

I think four finger swipes are useful, attached is a very
simple patch enabling that.

Signed-off-by: Daniel Landau <daniel.landau@helsinki.fi>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
(cherry picked from commit 4d87c041f6a232aa30528d70d4b9946d1824b4ed)

Change-Id: I8ebd875cb2ef7171c5d8be311d09ca6603dc9933
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-on: http://gerrit.chromium.org/gerrit/1361
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
3 files changed