Merge "libutils: Remove a little dead code"

int androidSetThreadPriority(pid_t tid, int pri)

{

    int rc = 0;

    int lasterr = 0;

    int curr_pri = getpriority(PRIO_PROCESS, tid);

    if (curr_pri == pri) {

        return rc;

    }

    if (rc) {

        lasterr = errno;

    }

    if (setpriority(PRIO_PROCESS, tid, pri) < 0) {

        rc = INVALID_OPERATION;

    } else {

        errno = lasterr;

        errno = 0;

    }

    return rc;