Merge "Fix sizeof(this) for AnimatedImageDrawable"

    Snapshot decodeNextFrame();

    Snapshot reset();

    size_t byteSize() const { return sizeof(this) + mBytesUsed; }

    size_t byteSize() const { return sizeof(*this) + mBytesUsed; }

protected:

    virtual void onDraw(SkCanvas* canvas) override;