[VD]Fix account is not logined in automatically when relaunch
Defect id:
DF191018-00567
Issue: when relaunch app Watcha Play(
3201612011352), app change to logout status.
Reason: the src of Watcha Play app is: https://erd2-play.watcha.net/tv
but not index.html. So url request which need the cookie is earlier than
valid cookie path been set.
Fix method: for tv product, set cookie path before loadURL.
Change-Id: I7351d1027c2c6efc90a8e2897aeef2e431b211a7
Signed-off-by: chunling.ye <chunling.ye@samsung.com>