ANDROID: GKI: update xiaomi symbol list

Leaf changes summary: 2 artifacts changed
Changed leaf types summary: 0 leaf type changed
Removed/Changed/Added functions summary: 0 Removed, 0 Changed, 2 Added functions
Removed/Changed/Added variables summary: 0 Removed, 0 Changed, 0 Added variable

2 Added functions:

  [A] 'function user_struct* find_user(kuid_t)'
  [A] 'function void free_uid(user_struct*)'

Bug: 197716484
Signed-off-by: ting wang <wangting11@xiaomi.com>
Change-Id: Ia0addb98ca8162fda44440262c32b6f37721de6c