Reland "In SkImageBlurFilter, use ScaledDividerU32"
Reland "In SkImageBlurFilter, use ScaledDividerU32"

This is a reland of 8021f21b132ce5b90ed1d885311ec7f936466ede

Original change's description:
> In SkImageBlurFilter, use ScaledDividerU32
>
> Bug: skia:12522
>
> Change-Id: I6608e66b44710f3633635d3621bdae2a5523f28b
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/458456
> Reviewed-by: Brian Osman <794c0b5534edf5601d88e1d41975d0262da12894@google.com>
> Commit-Queue: Herb Derby <9e12a3d2bbf73546e47cc9958f6ba8f3215b7eaf@google.com>

Bug: skia:12522
Change-Id: I5757fe54c647a350b05c066d7485b97fcf0191e1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/458720
Reviewed-by: Brian Osman <794c0b5534edf5601d88e1d41975d0262da12894@google.com>
Commit-Queue: Herb Derby <9e12a3d2bbf73546e47cc9958f6ba8f3215b7eaf@google.com>

aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,google/skia,google/skia,google/skia,aosp-mirror/platform_external_skia