Switch Ops over to using GrRecordingContext

Since, by definition, the ops are created when recording, it makes sense that they should be able to make due with only the GrRecordingContext.

TBR=bsalomon@google.com
Change-Id: If64353aee30b35d0a16401f7de00954f44ed8c59
Reviewed-on: https://skia-review.googlesource.com/c/190670
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
64 files changed