[wrt]Change the manu case to auto case

[Detailed commit message (if have)]
Impacted TCs num(approved):New 1,Update 5,Delete 0
UT result: Pass 5,Fail 1(XWALK-2925:Crosswalk_BackEnd_PkgcmdReInstall), Block 0
BugID:https://bugs.tizen.org/jira/browse/TC-1937