Convert pathkit's usage of SkPath::Iter to SkPatPriv::RangeIter
Convert pathkit's usage of SkPath::Iter to SkPatPriv::RangeIter

Change-Id: If940941a66c1fda508970a73d8433a2d2a292e1c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/287894
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>
Commit-Queue: Chris Dalton <ef7fc3a08ada7d31f16e9a18b5f3c728256e041e@google.com>

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