[wrt] Add 6 TCs to manifestspecificmanu

Impacted TCs num(approved): New 6, Update 0, Delete 0
Unit test Platform: Android
Android test result summary: Pass 6, Fail 0, Block 0
Merge pull request #785 from wanghongjuan/wanghongjuan/wrt/add-manifest-manu

[wrt] Add 6 TCs to manifestspecificmanu