[webapi] Integrate WebCL conformance tests from Khronos

Impacted TCs num(designed): New 133, Update 0, Delete 0
Unit test Platform: [Andriod]
Unit test result summary: Pass 0, Fail 0, Blocked 0
[webapi] Remove some tests of HTML iframe

- remove: 12, update: 2

Impacted tests(approved): new 0, update 2, delete 12
Unit test platform: [IVI] crosswalk-10.38.222, t-e-c 0.107
Unit test result summary: pass 2, fail 0, block 0
[webapi][XWALK-2944]Update webapi all-in-one packages list
[wrt]Add WebRTC test webapp to suite
[Detailed commit message (if have)]
Impacted TCs num(approved):New 0,Update 2,Delete 0
UT result: Pass 2, Fail 0, Block 0
pack the webrtc to wgt and launch on the ivi ok
[wrt]Change the manu case to auto case

[Detailed commit message (if have)]
Impacted TCs num(approved):New 1,Update 5,Delete 0
UT result: Pass 5,Fail 1, Block 0
BugID:https://bugs.tizen.org/jira/browse/TC-1937
Merge pull request #1223 from xinliux/sandbox-remove

[webapi] Remove some tests of HTML iframe
[webapi] Automate 2 tests for CSS3 Text as reftest

Impacted TCs num(approved): New 0, Update 2, Delete 0
Unit test Platform: Andriod
Unit test result summary: Pass 2, Fail 0, Blocked 0
[stability]Add check point and except expect result
[Detailed commit message (if have)]
Impacted TCs num(approved):New 13,Update 0,Delete 0
UT result: Pass 13, Fail 1, Block 0
[webapi] Automate a test for CSS3 Style as reftest

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Andriod
Unit test result summary: Pass 1, Fail 0, Blocked 0
[webapi] Update xwalk-launcher to open_app

Impacted tests(approved): new 0, update 112, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 112, fail 0, block 0
Merge pull request #1226 from linshen/shenlin/update-stability-1117-2

[stability]Add check point and except expect result
[wrt]Update xwalk-launcher to open_app

[Detailed commit message (if have)]
Impacted TCs num(approved):New 0,Update 5,Delete 0
UT result: Pass 5, Fail 0, Block 0
[webapi]make the webapi-noneservice-tests.spec BLACK list alphabetically .
[webapi] Change designed tests to approved for CSS3 Transitions

Impacted tests(approved): new 8, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 0, fail 8, block 0
Merge pull request #1227 from linshen/shenlin/update-xwalk-open_app

[wrt]Update xwalk-launcher to open_app
Merge pull request #1220 from linshen/shenlin/update-webrtc

[wrt]Add WebRTC test webapp to suite
Merge pull request #1214 from linshen/shenlin/add-command-auto-1114

[wrt]Change the manu case to auto case
Merge pull request #1222 from JianfengXu/style/automation

[webapi] Automate a test for CSS3 Style as reftest
Merge pull request #1206 from yunxliu/yunxliu/webapi/modifyScript

[webapi] Update xwalk-launcher to open_app
Add apis to support Tizen IVI modello UI