ANDROID: GKI: Update oplus symbol list

2 function symbol(s) added
  'void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked)'
  'u32 tcp_reno_undo_cwnd(struct sock *sk)'

Bug: 402557453
Bug: 383007920
Bug: 402632748
Change-Id: I6975f6a61fb5b01cde75ae96779ff6f570663e1c
Signed-off-by: zhangpeng <zhangpeng9@oppo.com>
(cherry picked from commit 31219eb8)