Revert "Restrict unsigned integer overflow in MPEG4Writer writeEdtsBox"

    virtual void setStartTimeOffsetMs(int ms) { mStartTimeOffsetMs = ms; }

    virtual int32_t getStartTimeOffsetMs() const { return mStartTimeOffsetMs; }

    virtual status_t setNextFd(int fd);

    bool isSampleMetadataValid([[maybe_unused]] size_t trackIndex, int64_t timeUs) override {

        return timeUs >= 0;

    }

protected:

    virtual ~MPEG4Writer();