[wrt]Update pack.sh to wrt-i18nmanu-tizen-tests

Unit test platform: [tizen]
Unit test result summary: Pack to wgt and pass 1 , Fail 0, Blocked  0
[wrt]Add test sample app to wrt-packagemgtmanu-tizen-tests
Merge pull request #641 from linshen/pr-02

[wrt]Add test sample app to wrt-packagemgtmanu-tizen-tests
Merge pull request #628 from linshen/update-i18n-wgt

[wrt]Update pack.sh to wrt-i18nmanu-tizen-tests