[webapi] Add 52 TCs for native file api
Impacted Suites: webapi-nativefilesystem-xwalk-tests
Impacted TCs num: New 52, update 0, deleted 0
Unit test Platform: IVI
IVI test result summary: Pass 0, Fail 52, Blocked 0

Fail Reason:
All cases are designed, because the Native File API is not ready. Jira link: https://crosswalk-project.org/jira/browse/XWALK-672
[webapi] Add 20 TCs for Performance Timeline
[misc-sanity] Remove Hash item from AppURI

The URI of AppURI test page in sanity app don't have Hash value, so we remove this item otherwise this item will be none always.
[webapi] Add 24 TCs for IAP
[wrt] Update config for wrt-common-webapp-tests
[wrt][XWALK-1367] Update manifest.json for launch_fullscreen_true_tests
[wrt][XWALK-1720] Update test steps for Crosswalk_Google_Play_Multiple
[misc] Add sanity test for dlna
[wrt] Update TCs for wrt-extensionauto-android-tests
[wrt] Update TCs for wrt-packagemgtauto-android-tests
[wrt] Update tests.xml for tct-pm-wrt-tests
[wrt] Update automation scripts for wrt-rtbinauto-tizen-tests
Remove Camera test from Tizen release

XWALK-292: HTML Media Capture for Tizen in feature release
Merge pull request #262 from haoxli/haoxli/usecase/CameraTest

Remove Camera test from Tizen release
[behavior][XWALK-1647] Update the file path for csp
Merge pull request #252 from kangxu/kangxu/wrt/wrt-common-webapp-tests/updateConfig

[wrt] Update configure for wrt-common-webapp-tests
Merge pull request #260 from yufeichen/yufeichen/wrt-update-tests.xml-for-tct-pm-wrt-tests

[wrt] Update tests.xml for tct-pm-wrt-tests
[webapi] Fixed XWALK-1790 by modifying presentation sub directory name
Merge pull request #256 from kangxu/kangxu/wrt/googleplay/Crosswalk_Google_Play_Multiple/update

[wrt][XWALK-1720] Update test steps for Crosswalk_Google_Play_Multiple
Merge pull request #255 from kangxu/kangxu/wrt/fullscreen/update

[wrt][XWALK-1367] Update manifest.json for launch_fullscreen_true_tests