[wrt]update pkgcmd -l to ail_list

update the pkgcmd -l to ail_list and other bug fix
[Detailed commit message (if have)]
Impacted TCs num(designed): New 0, update 14, deleted 0
Unit test platform: [tizen]
UT result: Fail 12, Pass 1,Block 1
Block: common device have no app_user
BugID: https://crosswalk-project.org/jira/browse/XWALK-2249