Revert "Revert "Scaling filter is changed to stop filtering small fingers"" This reverts commit 487f5bc73454987debb38e4d3fdd4ca0148873e8. BUG=chromium:517525 TEST=New minnie light scroll regression test Change-Id: I301e4e893544564cdfe093d9765431104cc9e63d Reviewed-on: https://chromium-review.googlesource.com/291089 Reviewed-by: Amirhossein Simjour <[email protected]> Tested-by: Andrew de los Reyes <[email protected]> Commit-Queue: Andrew de los Reyes <[email protected]>