[sample] change apns-full-conf.xml for Morocco and Tunisia

b/7662820 Add APN of Morocco and update APN information of Tunisia Tunicell

1.Morocco
- Meditel (604-00)
- IAM (604-01)
- Wana (604-02)

2.Tunisia
- Tunicell (605-02)

Change-Id: Ibbeba8934b7a9565b78af0b511b6032c0d6eba0b
1 file changed