add drawPicture variant that takes a matrix and paint

src/utils/debugger/SkDebugCanvas.cpp

Index: src/utils/debugger/SkDebugCanvas.cpp
diff --git a/src/utils/debugger/SkDebugCanvas.cpp b/src/utils/debugger/SkDebugCanvas.cpp
index 277e86d84ddb519126ed8f59375905e5a21ce4f4..516d58292f0b3301816933cabdc6c377541027dc 100644
--- a/src/utils/debugger/SkDebugCanvas.cpp
+++ b/src/utils/debugger/SkDebugCanvas.cpp
@@ -519,7 +519,8 @@ void SkDebugCanvas::drawPath(const SkPath& path, const SkPaint& paint) {
     this->addDrawCommand(new SkDrawPathCommand(path, paint));
 }
 
-void SkDebugCanvas::onDrawPicture(const SkPicture* picture) {
+void SkDebugCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix*, const SkPaint*) {
+    // todo: add matrix and paint to SkDrawPictureCommand
     this->addDrawCommand(new SkDrawPictureCommand(picture));
 }