[webapi] Add 9 p2 case for audiosystem

Impacted TCs num(approved): New 9, Update 0, Delete 0
Unit test Platform: [Tizen-IVI]
Unit test result summary: Pass 9, Fail 0, Blocked 0
[webapi] Update suite.json of hosted-app

- There are 11 test suites running in hosted app, need copy the resources to zip package, not app package. Otherwise the host server will lack resource files.

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [IVI]
Unit test result summary: pass 13050, fail 27, block 35
[usecase] Update precondition for vehicle information and data
Merge pull request #1576 from kangxu/kangxu/usecase/vehicle/update

[usecase] Update precondition for vehicle information and data
Merge pull request #1574 from haoxli/webapi/update-hosted-app

[webapi] Update suite.json of hosted-app
Merge pull request #1572 from JianfengXu/audiosystem/p2

[webapi] Add 9 p2 case for audiosystem
[webapi] Update precondition for vehicle information API
Merge pull request #1577 from kangxu/kangxu/webapi/webapi-vehicleinfo-ivi-tests/updatePre

[webapi] Update precondition for vehicle information API