STK: Fix ActivityNotFoundException in 'launch browser' cmd.

Fix ActivityNotFoundException while handling 'launch browser' STK command.
If URL does not start with 'http://', it causes FATAL EXCEPTION.

Bug: 5559107
Change-Id: I5af43eb4d584412e294f3789f60513de22a7b043
Signed-off-by: dujin.cha <dujin.cha@samsung.com>
1 file changed