[embedding][XWALK-895] Add new embedding api tests for crosswalk

- add 80 cases about embedding api
- upgrade the pack.sh

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.

[misc] Change test suite format from xpk to wgt