move annotations to canvas virtual

src/core/SkPicturePlayback.cpp

Index: src/core/SkPicturePlayback.cpp
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index a5dd814b82a2b14d1b35ce737ce9ab5d842cc338..e8497daca1c975bb3da748e950a9915047cc21bd 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -175,6 +175,12 @@ void SkPicturePlayback::handleOp(SkReader32* reader,
             canvas->concat(matrix);
             break;
         }
+        case DRAW_ANNOTATION: {
+            const SkRect& rect = reader->skipT<SkRect>();
+            const char* key = reader->readString();
+            SkAutoTUnref<SkData> value(reader->readData());
+            canvas->drawAnnotation(rect, key, value);
+        } break;
         case DRAW_ATLAS: {
             const SkPaint* paint = fPictureData->getPaint(reader);
             const SkImage* atlas = fPictureData->getImage(reader);