Add a src rect to drawImageLattice() API

src/core/SkPicturePlayback.cpp

Index: src/core/SkPicturePlayback.cpp
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index 2ffb6c20d1b993ce8830462f54623c94b93050f5..63dbb5fa91e985c2f6df8bb87229bace36dc3b28 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -322,6 +322,9 @@ void SkPicturePlayback::handleOp(SkReadBuffer* reader,
             int flagCount = reader->readInt();
             lattice.fFlags = (0 == flagCount) ? nullptr : (const SkCanvas::Lattice::Flags*)
                     reader->skip(SkAlign4(flagCount * sizeof(SkCanvas::Lattice::Flags)));
+            SkIRect src;
+            reader->readIRect(&src);
+            lattice.fBounds = &src;
             SkRect dst;
             reader->readRect(&dst);
             canvas->drawImageLattice(image, lattice, dst, paint);