[webapi][xwalk-3160] Fix duplicate package-id in widget api

- Packing, running on IVI normally

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [IVI]
Unit test result summary: pass 147, fail 11, block 36
Merge pull request #1473 from haoxli/webapi/xwalk-3160

[webapi][xwalk-3160] Fix duplicate package-id in widget api