renamed GrPrimitiveEdgeType / GrProcessorEdgeType to GrClipEdgeType

Bug: skia:
Change-Id: I4a9af0b9b2cfa47875b2ba098098183e8dca29a7
Reviewed-on: https://skia-review.googlesource.com/69601
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
20 files changed