Call GestureInterpreter filter composition

GestureInterpreter postpones filter composition until device information
is available to it.  So xf86-input-cmt should call it when the
information is made ready for GestureInterpreter object.

BUG=chromium-os:36318
TEST=touchpad still works on snow

Change-Id: Ia774c63ba0ef2f4c0aeb0e2bdbad721438689f7e
Reviewed-on: https://gerrit.chromium.org/gerrit/37969
Commit-Ready: Che-Liang Chiou <clchiou@chromium.org>
Reviewed-by: Che-Liang Chiou <clchiou@chromium.org>
Tested-by: Che-Liang Chiou <clchiou@chromium.org>
1 file changed