Fix WiFi setting for tablet models (double-column)

Signed-off-by: Taeho Kim <jyte82@gmail.com>
Fix hang issue on Wifi settings

Signed-off-by: Taeho Kim <jyte82@gmail.com>
Add double-column support on DeviceAdmin and Display timeout

Signed-off-by: Taeho Kim <jyte82@gmail.com>
Fix wifi issue

Signed-off-by: Taeho Kim <jyte82@gmail.com>