Add general quad factories to GrFillRectOp and GrTextureOp

Bug: skia:
Change-Id: I1f9e9013d20496554891b72749ed9b0844747566
Reviewed-on: https://skia-review.googlesource.com/c/191570
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
9 files changed