Combine GrTessellateStrokeOps when possible

Bug: skia:10419
Change-Id: Ifd93b6cd8acffa78675b3e45134dfa52062b4f7a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/300102
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/gn/gpu.gni b/gn/gpu.gni
index a82ee8b..9a40c93 100644
--- a/gn/gpu.gni
+++ b/gn/gpu.gni
@@ -189,6 +189,7 @@
   "$_src/gpu/GrSPIRVUniformHandler.h",
   "$_src/gpu/GrSPIRVVaryingHandler.cpp",
   "$_src/gpu/GrSPIRVVaryingHandler.h",
+  "$_src/gpu/GrSTArenaList.h",
   "$_src/gpu/GrSWMaskHelper.cpp",
   "$_src/gpu/GrSWMaskHelper.h",
   "$_src/gpu/GrSamplePatternDictionary.cpp",