Revert of Switch SkDownSampleImageFilter over to new onFilterImage interface (patchset #6 id:100001 of https://codereview.chromium.org/1851583002/ )

Reason for revert:
changing images on bots

Original issue's description:
> Switch SkDownSampleImageFilter over to new onFilterImage interface
>
> This will slightly change the testimagefilters GM images
>
> TBR=reed@google.com
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1851583002
>
> Committed: https://skia.googlesource.com/skia/+/daa9da4937b6dfc9e1047239b4afd41b1c5474d5
>
> Committed: https://skia.googlesource.com/skia/+/33550dab45516bbcfa5ab908c5857fb382535c44

TBR=senorblanco@chromium.org,reed@google.com,senorblanco@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1859533002
2 files changed