Merge pull request #434 from haoyunfeix/yunfei/misc-change-format-from-xpk-to-wgt

[misc] Change test suite format from xpk to wgt
Merge branch 'yongzhu/embeddingAPI-UnitTests/add' of https://github.com/zhuyongyong/crosswalk-test-suite into yongzhu/embeddingAPI-UnitTests/add
[embedding][XWALK-895] Add new embedding api tests for crosswalk

Impated TCs num:New 94, Update 0, Delete 0

Unit test platform: android

Android Test result summary:pass 74,Fail 16,Blocked 4

Comments：

12 failed because of not exist.
[embedding][XWALK-895] Add new embedding api tests for xwalk

Impated TCs num:New 80, Update 0, Delete 0

Unit test platform: android

Android Test result summary:pass 65,Fail 11,Blocked 4

Comments：

7 failed because of not exist.