[wrt] Add new suite for packer tool automation
Fix XWALK-2060 update xwalk url to xwalk-launcher url

[Detailed commit message (if have)]
Impacted TCs num(approved): New 0, update 6, deleted 0
Unit test platform: [tizen]
Unit test result summary: Fail 6, xwalk-launcher error

tizen-extensions-crosswalk-0.79-0.i686
crosswalk-8.36.169.0-0.i686
xwalk-launcher "http://www.baidu.com"

Couldn't call 'Launch' method: GDBus.Error:org.crosswalkproject.
Running.Manager.Error: Error launching application with id http://www.baidu.com
Merge pull request #415 from linshen/update-xwalk-url

[wrt][XWALK-2060]Fix XWALK-2060 update xwalk url to xwalk-launcher url
Merge pull request #413 from kangxu/kangxu/wrt/wrt-packertoolauto-android-tests/new

[wrt] Add new suite for android packer tool automation
[wrt]update check application.db path

[Detailed commit message (if have)]
application DB path change.
sqlite3 /home/app/.config/xwalk-service/applications.db is work well.
[webapi] [xwalk-2060] Update xwalk url to xwalk-launcher url due to crosswalk update
[wrt][XWALK-890]Update test.py move input_result,change device test path

[Detailed commit message (if have)]
Unit test platform: [tizen]
Unit test result summary: Pass 347, Fail 0, Blocked 0
[wrt][xwalk-2070] Update test steps due the steps is incorrect
Merge pull request #417 from wanghongjuan/wanghongjuan/webapi/nacl-url

[webapi] [xwalk-2060] Update xwalk url to xwalk-launcher url due to crosswalk update
Merge pull request #416 from linshen/update-sqlite3-path

[wrt]application.db path in device is changed,so update testcases
Merge pull request #425 from wanghongjuan/wanghongjuan/wrt/xwalk-2070

[wrt][xwalk-2070] Update test steps due the steps is incorrect
[webapi] Add handlers for websocket server

- Integrate handlers from w3c tests, these files are needed by websocket server
Merge pull request #423 from linshen/update-xwalk-890

[wrt][XWALK-890]Update test.py move input_result,change device test path
Merge pull request #426 from haoxli/haoxli/webapi/websocket-hanlder

[webapi] Add handlers for websocket server
[misc] Update WRT usecases for wrt-usecase-tizen-tests
[wrt] Update cases for format and test steps
Merge pull request #427 from kangxu/kangxu/wrt/wrt-integration-android-tests/updateSteps

[wrt] Update cases for format and test steps
Merge pull request #428 from wanghongjuan/wanghongjuan/misc/wrt-usecase