[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
[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
[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 #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