[xwalk-2832] create a case to test Calling tizen.bluetooth.getDefaultAda...

[xwalk-2832] create a case to test Calling tizen.bluetooth.getDefaultAdapter() from two different web apps
 8 files changed, 273 insertions(+), 54 deletions(-)
in this tests.full.xml to del <testcase purpose="bluetooth Test">........</testcase>.
but in tests.tizen.xml  reserve？