Make SkSurfaceProps non-optional for SDCs and SkSpecialImages

This ensures we don't lose the original SkSurfaceProps when creating
image filters, etc.

Bug: skia:11396
Change-Id: I6b412361c1005138278a1396faa7f7e069ec7eb2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/397291
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
diff --git a/src/gpu/GrSurfaceContext.cpp b/src/gpu/GrSurfaceContext.cpp
index bea7206..84794df 100644
--- a/src/gpu/GrSurfaceContext.cpp
+++ b/src/gpu/GrSurfaceContext.cpp
@@ -62,7 +62,7 @@
                                                                     std::move(writeView),
                                                                     info.colorType(),
                                                                     info.refColorSpace(),
-                                                                    /*surface props*/ nullptr);
+                                                                    SkSurfaceProps());
         } else {
             surfaceContext = std::make_unique<GrSurfaceFillContext>(context,
                                                                     std::move(readView),