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Update PaintFilter impls to use new SkImageFilters factory functions

This was pulled from https://chromium-review.googlesource.com/c/chromium/src/+/2527768
to keep that CL clearer.

Bug: skia:9310
Change-Id: Ie49c491638f3f859c11257e1b3dc0658a95caabb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2610286
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843049}