ANDROID: GKI: update symbol list for xiaomi

INFO: 2 function symbol(s) added
  'void* __xa_cmpxchg(struct xarray*, unsigned long, void*, void*, gfp_t)'
  'key_ref_t lookup_user_key(key_serial_t, unsigned long, enum key_need_perm)'

Bug: 410709465
Change-Id: I87d766b434bc48ec58064456f5f8980f8855c2f9
Signed-off-by: Dongdong zhang <zhangdongdong5@xiaomi.com>