[embedding] Recombination the cases to V1~V4 according to the latest API

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 162, fail 16, block 0
[webapi][XWALK-3190] Update touch tests from w3c

- Update latest tests from w3c
- Reomve touchevent/TouchList_attributes_exist.html and touchevent/Touch_attributes_exist.html, since w3c/single-touch-manual.html contain these check point

Impacted tests(approved): new 0, update 41, delete 0
Unit test platform: [android] crosswalk-10.38.222
Unit test result summary: pass 41, fail 0, block 0
[webapi][XWALK-3191] Update mediastream tests from w3c

- Update the latest w3c cases about media

Impacted tests(approved): new 0, update 21, delete 0
Unit test platform: [IVI] crosswalk-10.39.233, t-e-c 0.120
Unit test result summary: pass 5, fail 16, block 0
[master][wrt] Update tests.xml component name
[webapi][XWALK-3056] Update align-self initial value for flexiblebox

- Update align-self initial value to auto following spec defined

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [IVI] crosswalk-10.39.233, t-e-c 0.120
Unit test result summary: pass 1, fail 0, block 0
Merge pull request #1544 from xinliux/webapi/touch/XWALK-3190

[webapi][XWALK-3190] Update touch tests from w3c
Merge pull request #1545 from xinliux/webapi/gumallow/XWALK-3191

[webapi][XWALK-3191] Update mediastream tests from w3c
Merge pull request #1548 from xinliux/flexiblebox/XWALK-3056

[webapi][XWALK-3056] Update align-self initial value for flexiblebox
[wrt][xwalk-2885] Add one test to wrt-internetstdmanu-android-tests

Impacted TCs num(approved): New 1, Update 0, Delete 0
Unit test Platform: Android
Android test result summary: Pass 0, Fail 1, Block 0

- Fail bug: xwalk-2741
Merge pull request #1542 from wanghongjuan/wrt/xwalk-2885

[wrt][xwalk-2885] Add one test to wrt-internetstdmanu-android-tests
Merge pull request #1549 from linshen/shenln/update-tests.xml

[master][wrt] Update tests.xml component name
[master][wrt-usecase][XWALK-3194][XWALK-2920] Add 2 new TCs

Impacted TCs num(approved):New 2,Update 0,Delete 0
Test Result: pass 2, fail 0, block 0
Merge pull request #1550 from linshen/shenlin/yhc-update-usecase-2

[master][wrt/usecase][XWALK-3194][XWALK-2920] Add 2 new TCs
[master][stability] Update sh file to fix exit error

[Detailed commit message (if have)]
Unit test platform: [Tizen]
Impacted TCs num(approved):New 0,Update 4,Delete 0
Test Result: pass 4, fail 0, block 0
[usecase-wrt] Update suite.json for usecase-wrt-android-tests

- The suite can be packed after update suite.json
[webapi][XWALK-1736] Add test cases for download webapi

- Failure analysis: This feature has not been supported

Impacted tests(designed): new 23, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 0, fail 23, block 0
Merge pull request #1552 from wanghongjuan/usecase/wrt

[usecase-wrt] Update suite.json for usecase-wrt-android-tests
Merge pull request #1551 from linshen/shenlin/update-stability

[master][stability] Update sh file to fix exit error
Merge pull request #1543 from zhuyongyong/embedding-tests/addV4

[embedding] Recombination the cases to V1~V4 according to the latest API
Merge pull request #1130 from zhuyongyong/webapi/downloadAndroid

[webapi][XWALK-1736] Add test cases for download webapi