[webapi][XWALK-2340] Change 39 TCs status to manual

- Change Reason: Need to confirm dialog during running these TCs in android.

Impacted TCs num(approved): New 0, Update 39, Delete 0
Unit test Platform: [Andriod]
Andriod test result summary: Pass 37, Fail 2, Blocked 0
Merge pull request #746 from JianfengXu/xujf/2340

[webapi][XWALK-2340] Change 39 TCs status to manual