ANDROID: GKI: Update symbol list for mtk

7 function symbol(s) added
  'int nfnetlink_subsys_register(const struct nfnetlink_subsystem*)'
  'int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem*)'
  'int nfnetlink_unicast(struct sk_buff*, struct net*, u32)'
  'void nfnl_lock(__u8)'
  'void nfnl_unlock(__u8)'
  'int xt_register_matches(struct xt_match*, unsigned int)'
  'void xt_unregister_matches(struct xt_match*, unsigned int)'

Bug: 402616138
Bug: 404727229
Change-Id: Ic3eaedb9ea04389141704e72e46e15e0936c0a78
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
(cherry picked from commit 69a6dfc9)