[cordova][xwalk-2822] Remove --shared option from cordova 3.6.3 packaging

- According [XWALK-2794](https://crosswalk-project.org/jira/browse/XWALK-2794) comment, the '--shared' option is not supported by upstream Cordova 3.6.3, remove it from all packaging line in Crosswalk-Cordova 3.6.3.

Impacted tests(approved): new 0, update 4, delete 0
Unit test platform: [Android]
Unit test result summary: pass 4, fail 0, block 0