[sample-webapi] Integrate sample tests

 Impacted tests(approved): new 65, update 0, delete 0
 Unit test platform: [Tizen ivi][Android]
 Unit test result: All tests run normally
[usecase-embedding] Improve the pack.sh of embeddingAPI sample

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 10, fail 0, block 0
Merge pull request #777 from Honry/Honry/sample/create-sample

[sample-webapi] Integrate sample tests
Merge pull request #780 from zhuyongyong/yongzhu/embeddingAPI-sample/improve

[usecase-embedding] Improve the pack.sh of embeddingAPI sample
Update the pack script and suite json to latest version
Merge pull request #781 from yugang/yugang/update-py-coding-style

Update the pack script and suite json to latest version
[webapi][XWALK-2368] Update BlobBuilder to Blob

 - BlobBuilder is deprecated
 https://crosswalk-project.org/jira/browse/XWALK-2368
Merge pull request #765 from yunxiaoxie/yunxiaoxie/BlobBuilder

[webapi] Update BlobBuilder to Blob
Update pack.py coding style for pylint's output
Merge pull request #782 from yugang/yugang/update-py-coding-style

Update pack.py coding style for pylint's output