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 <asimjour@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>
Commit-Queue: Andrew de los Reyes <adlr@chromium.org>
3 files changed