[wrt][xwalk-2633] Add 4 TCs and update 2 TCs to sharedmodemanu

- The fail reason: xwalk-2772

Impacted TCs num(approved): New 4, Update 2, Delete 0
Unit test Platform: Android
Android test result summary: Pass 4, Fail 2, Block 0
[wrt]Update tests.xml subcase number

Android test result summary: Pass 262, Fail 0, Block 0
Merge pull request #1061 from wanghongjuan/wanghongjuan/2633/xwalk-2633

[wrt][xwalk-2633] Add 4 TCs and update 2 TCs to sharedmodemanu
Merge pull request #1063 from wanghongjuan/wanghongjuan/manifest/subcase

[wrt]Update tests.xml subcase number
[embedding] Add set type in tests.xml

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 94, fail 6, block 0
Merge pull request #1001 from zhuyongyong/yongzhu/embeddingAPI/tests

[embedding] Add set type in tests.xml
[webapi] Update 8 tests for Web Audio API

Impacted tests(approved): new 0, update 8, delete 0
Unit test platform: [Android]
Unit test result summary: pass 8, fail 0, block 0
Merge pull request #1064 from kangxu/kangxu/webapi/tct-webaudio-w3c-tests/updatCase

[webapi] Update 8 tests for Web Audio API