Add Audittrail for path renderers

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1588683002

Review URL: https://codereview.chromium.org/1588683002
diff --git a/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp b/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
index 0a6e5cf..c830509 100644
--- a/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
+++ b/src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
@@ -322,6 +322,8 @@
 };
 
 bool GrAALinearizingConvexPathRenderer::onDrawPath(const DrawPathArgs& args) {
+    GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(),
+                              "GrAALinearizingConvexPathRenderer::onDrawPath");
     if (args.fPath->isEmpty()) {
         return true;
     }