Merge "libbinder: remove MemoryHeapBase::setDevice"

    /* this closes this heap -- use carefully */

    void dispose();

    /* this is only needed as a workaround, use only if you know

     * what you are doing */

    status_t setDevice(const char* device) {

        if (mDevice == nullptr)

            mDevice = device;

        return mDevice ? NO_ERROR : ALREADY_EXISTS;

    }

protected:

            MemoryHeapBase();

    // init() takes ownership of fd