Add pass-through helper methods from GrOpFlushState to GrOpsRenderPass

Change-Id: Ifa18e909978367a4502dbf6b35a62a437e83b5c2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/276842
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
35 files changed