[webapi][XWALK-2363] Fix issue by using regexp to verify nativeAPIVersion of SystemInfo

- Because IVI platform version may be change, but TC set default nativeAPIVersion 2.2, so update version verfy by regexp.

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Tizen IVI
Tizen test result summary: Pass 1, Fail 0, Blocked 0
Merge pull request #803 from xinliux/xinliux/webapi/XWALK-2363

[webapi][XWALK-2363] Fix issue by using regexp to verify nativeAPIVersion of SystemInfo