[webapi]Update webapi-noneservice-tests suite packing script
[master][stability] Update inst.py

no TCs update, inst.py run ok.
[webapi][XWALK-2593] Fix bug for webrtc

- Fix bug for webrtc
- `addIceCandidate("", function () {}, function () {})` should throw `TypeError`

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 1, fail 0, block 0
[wrt][WEBQA-166] Update run_app.py for android suite packertool and manifest
Merge pull request #1482 from linshen/shenlin/master-update-inst.py

[master][stability] Update inst.py
Merge pull request #1487 from wanghongjuan/wrt/WEBQA-166

[wrt][WEBQA-166] Update run_app.py for android suite packertool and manifest
Merge pull request #1485 from yunxliu/webapi/webrtc_2593

[webapi][XWALK-2593] Fix bug for webrtc
Merge pull request #1481 from jiajiax/jiajiax/update_nonservice_scripts

[webapi][XWALK-3169]Update webapi-noneservice-tests suite packing script.