ScalingFilterInterpreter: Fix australian scrolling with window overview

When we refactored where the australian scrolling setting is
processed, we missed this case. As a result, users of traditional
(non-austrlian scrolling) had their 3f vertical swipe (window overview
mode) swapped.

BUG=chromium:399168
TEST=Manually tested on device

Change-Id: I52535e65a9d0a5c49c97a79aa7765784aa38cc7d
Reviewed-on: https://chromium-review.googlesource.com/212290
Reviewed-by: Dennis Kempin <denniskempin@chromium.org>
Commit-Queue: Andrew de los Reyes <adlr@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
1 file changed