[wrt]update config.xml change the id format for wgt install

[Detailed commit message]
Impacted TCs num(approved): New 0, update 0, deleted 0
Unit test platform: [tizen]
Unit test result summary: Pass 0, Fail 0, Blocked 0
Merge pull request #519 from linshen/modify-wrt-i18n-tizen-test

[wrt]update config.xml change the id format for wgt install