[wrt] Update Set name and Component name for behavior usecase
[webapi][XWALK-1330] Add 78 TCs for audiosystem

- Add 78 TCs for audiosystem
- Audiosystem is not supported in Tizen IVI now.

Impacted TCs (designed): New 78, Update 0, Delete 0
Unit test Platform: Tizen IVI
IVI test result summary: Pass 0, Fail 0, Blocked 0
[wrt][XWALK-1541][XWALK-1539]Fix XWALK-1541/1539

Detailed commit message (if have)]
Impacted TCs num(approved): New 0, update 14, deleted 0
Unit test platform: [tizen]
Unit test result summary: Pass 14 , Fail  0, Blocked  0
[wrt][XWALK-1638] Add 3 TCs for wrt-rtcore-android-tests
[wrt][XWALK-890] Update tests.xml for wrt-rtcore-tizen-tests

No new or update tcs, only update test.xml no UT
[wrt][XWALK-890]update wrt-manifest-tizen-tests
Update test.py
Merge pull request #363 from linshen/update-xwalk-890

[wrt][XWALK-890]update wrt-manifest-tizen-tests
Merge pull request #361 from linshen/update-tests.full.xml-XWALK-890

[wrt][XWALK-890] Update tests.xml for wrt-rtcore-tizen-tests
[misc-usecase] Change component from 'sanity' to 'usecase' in tests.android.xml
Merge pull request #362 from minxhuang/hm/misc/usecase-component

[misc-usecase] Change component from 'sanity' to 'usecase' in tests.android.xml
[misc][XWALK-990] Add usecase for application

- Fail Reason: Get current application information and context failed.

Impacted TCs num(approved): New 1, Update 0, Delete 0
Unit test Platform: [Tizen IVI]
test result summary: Pass 0, Fail 1, Blocked 0
Merge pull request #351 from JianfengXu/xujf/misc/app

[misc][XWALK-990] Add usecase for application
[misc]Change component from sanity to usecase

Impacted TCs num(approved): New 0, Update , Delete 0
Unit test Platform: [Tizen IVI]
Test result summary: Pass 0, Fail 0, Blocked 0
Merge pull request #354 from yufeichen/yufeichen/wrt/update-behavior-usecase-SetName-ComponentName

[wrt] Update Set name and Component name for behavior usecase
[wrt] [XWALK-1552] Fix test for xwalk-1522
Merge pull request #366 from wanghongjuan/wanghongjuan/wrt/rtcore

[wrt] [XWALK-1552] Fix test for xwalk-1522

LGTM
Merge pull request #359 from linshen/fix-xwalk-1541-1539

Fix XWALK-1539 XWALK-1541
[webapi][XWALK-990][XWALK-1753]Change 16 TCs stauts to approved

- Fail Reason: The app id is wrong, error callback is invoked.

Impacted TCs num(approved): New 16, Update 0, Delete 0
Unit test Platform: [Tizen-IVI]
Test result summary: Pass 2, Fail 14, Blocked 0
[wrt] Update TCs step for XWALK-1548
Merge pull request #367 from yufeichen/yufeichen/wrt/update-TCs-step-for-XWALK-1548

[wrt] Update TCs step for XWALK-1548