[misc-webapi] Fix the spelling errors for uiautomation

- Fail Reason: child-src, base-uri and plugin-types are not supported.

Impacted TCs num(approved): New 0, Update 25, Delete 0
Unit test Platform: [Tizen IVI]
Unit test result summary: Pass 21, Fail 4, Blocked 0
Merge pull request #940 from JianfengXu/xujf/csp/mistake

[misc-webapi] Fix the spelling errors for uiautomation