Revert "Update GrTriangulator to use SkPathPriv::Iterate"

This reverts commit 64964bb1150ea480b84c5f0f4c248a87222ef4e2.

Reason for revert: Iter does not behave the same as RawIter

Original change's description:
> Update GrTriangulator to use SkPathPriv::Iterate
> 
> Change-Id: I0998f22e3ce958fd651c359c930a2e48af27ce73
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/285985
> Commit-Queue: Chris Dalton <csmartdalton@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>

TBR=bsalomon@google.com,csmartdalton@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I3387f95a966d18d2262c1a6b534c61c46e4a8b4c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288662
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
1 file changed