TS-2173: RECD_COUNTER type is missing in setTokenValue()

After applied "TS-1740: Improve precision of stats values" patch,
each token will keep its original type instead of forcing to RecFloat.

So we should update setTokenValue() to deal with RECD_COUNTER case.

Signed-off-by: Yunkai Zhang <qiushu.zyk@taobao.com>