[webapi]Increase timeout for align-items-005.htm to overcome this case block issue.

Impacted tests(approved):new 0,update 1,delete 0
Unit test platform:[Android]
Unit test result summary:pass 0,fail 1,block 0
[webapi] Remove support.js in tct-xmlhttprequest-w3c-tests

Impacted tests(approved): new 0, update 8, delete 0
Unit test platform: [Android]
Unit test result summary: pass 214, fail 19, block 1

Comment: Fail to get correct value of "header.toLowerCase()"
when running "w3c/xmlhttprequest" on Android OS
Merge pull request #1000 from kangxu/kangxu/webapi/tct-xmlhttprequest-w3c-tests/updateCases

[webapi] Remove support.js in tct-xmlhttprequest-w3c-tests
[webapi] Update cases due to spec update for Battery Status API

- New spec:https://dvcs.w3.org/hg/dap/raw-file/default/battery/Overview.html

Impacted tests(approved): new 9, update 0, delete 24
Unit test platform: [Android][IVI]
Unit test summary: pass 9, fail 0, block 0
Merge pull request #1009 from kangxu/kangxu/webapi/tct-batterystatus-w3c-tests/updateCases

[webapi] Update cases due to spec update for Battery Status API
[usecase-webapi] Remove SpeechSynthesis from tests.android.xml & tests.tizen.xml

 - The feature is not resolved.
Merge pull request #1013 from yunxiaoxie/yunxiaoxie/speechsynthesisfixconfig

[usecase-webapi] Remove SpeechSynthesis from tests.android.xml & tests.t...
Merge pull request #1003 from chenxix/chenxi/misc-uiautomation/modify-flexible

 [webapi] Increase timeout attribute for align-items-005.htm to overcome this case block issue.