[behavior][XWALK-1419] Add a TC for Telephony

- Add a TC for Telephony
- Failure analysis: https://crosswalk-project.org/jira/browse/XWALK-2784
                    https://crosswalk-project.org/jira/browse/XWALK-2787
                    https://crosswalk-project.org/jira/browse/XWALK-2888
		    https://crosswalk-project.org/jira/browse/XWALK-2889

Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 0, fail 1, block 0
Merge pull request #1489 from yunxliu/behavior/telephony

[behavior][XWALK-1419] Add a TC for Telephony