Fixed missing return value from a method should have returned status_t

    // Make sure this is called when the mutex is locked

    // Make sure this is called when the mutex is locked

    virtual status_t onFrameReceivedLocked();

    virtual status_t onFrameReceivedLocked();

    virtual status_t setScalingMode(int mode) { } // no op for encoding

    virtual status_t setScalingMode(int mode) { return OK; } // no op for encoding

    virtual int query(int what, int* value);

    virtual int query(int what, int* value);

    // Just confirming to the ISurfaceTexture interface as of now

    // Just confirming to the ISurfaceTexture interface as of now