[ivi-tct][behavior][XWALK-3060] Add a function for Clipboard & DragandDrop

Impacted tests(approved): new 0, update 2, delete 0
Unit test platform: [IVI]
Unit test result summary: pass 0, fail 0, block 2

Block reason: fail to retrieving wgt-package/wgt-private/wgt-private-tmp root locations when running Tizen/Filesystem on IVI
Merge pull request #1430 from yunxiaoxie/bug-behavior

[ivi-tct][behavior][XWALK-3060] Add a function for Clipboard & DragandDrop
[ivi-tct][wrt] Remove all tizen-*-tizen-tests suites
[ivi-tct][behavior] Remove all Crosswalk Behavior tests
Merge pull request #1435 from wanghongjuan/wrt/tizen-suite

[ivi-tct][wrt] Remove all wrt-*-tizen-tests suites
Merge pull request #1436 from wanghongjuan/behavior/xml-behavior

[ivi-tct][behavior] Remove all Crosswalk Behavior tests
[ivi-tct][webapi] Update suite json file to fix package error

- Update suite.json for extra and webstorage
- Build these suites successfully
Merge pull request #1438 from xinliux/package-fixed

[ivi-tct][webapi] Update suite json file to fix package error