[PATCH] apn: fix typo on SKT LTE mmsc address

LoL, it's http:// not http//

This fixes MMS on SKT LTE

Change-Id: Ic5506d9e3382b37a4cf78f92326d8759111d5c85
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>

Conflicts:
	prebuilt/common/etc/apns-conf.xml
Add China Telecom apns

Required by China Telecom CDMA phones.

Change-Id: I5092ef4fca0a2c69a45966375b91767147f17bc3