remove unused param to prevent access violation
add iSubSeqId to make the meaning clearly.
update unit test code to support name change
fix overflow issue caused by pCountMbNumInSlice
Merge pull request #1002 from ganyangbbl/slicectx_bugfix

fix overflow issue caused by pCountMbNumInSlice
Merge pull request #1001 from huili2/reflist_warning_remove

remove unused param to prevent access violation
Merge pull request #1003 from ruil2/subseq

Subseq