Add a drawSimpleShape method to GrSurfaceDrawContext

Bug: chromium:1172543
Change-Id: I8c5f48cd7744755d5c207c53088912f0aa893369
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/366146
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
2 files changed