[wrt] Update priority to P1 for the selected cases
[wrt][XWALK-890] Add wrt-manifest-tizen-tests suite

Impacted TCs num(approved): pict seed tcs
Unit test platform: [tizen]
[wrt] Add wrt-usecase-common-tests for wrt usecase common
[wrt] Add usecase to misc for tizen
[misc-usecase][XWALK-679] Add a TC for Performance Timeline

- Add a Performance Timeline TC for calculate the time of access to resources on the page

Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 1, fail 0, block 0
[misc-usecase][XWALK-440] Add a TC for bookmark tizen

- Add a bookmark TC for get bookmarklist
- Failure analysis: https://crosswalk-project.org/jira/browse/XWALK-1747

Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 0, fail 1, block 0
Merge pull request #289 from linshen/add-xwalk-890

[wrt][XWALK-890] Add wrt-pict-manifest-tests suite
Merge pull request #291 from kangxu/kangxu/wrt/wrt-webfeatures-android-tests/updatePriority

[wrt] Update priority to P1 for the selected cases
Merge pull request #287 from yunxliu/yunxliu/misc/bookmark

[misc-usecase][XWALK-440] Add a TC for bookmark tizen
Merge pull request #248 from yunxliu/yunxliu/misc/performance_timeline

[misc-usecase][XWALK-679] Add a TC for calculate the time of access to resources on the page
Merge pull request #293 from kangxu/kangxu/misc/wrt-usecase-common-tests/new

[wrt] Add wrt-usecase-common-tests for wrt usecase common
Merge pull request #294 from yufeichen/yufeichen/wrt-add-usecase-for-tizen

[wrt] Add usecase to misc for tizen