ANDROID: ABI: Update whitelist for the symbols used by the unisoc for A12-5.4

Update whitelist for the symbols used by the unisoc in abi_gki_aarch64_unisoc.
Also changes happened to the abi_gki_aarch64.xml file.

1 Added function:
[A] 'function int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how)'

Bug: 281793952

Change-Id: I9114b01ba18d2284b397bf54f0572065e5aa0624
Signed-off-by: xinyi.yuan <xinyi.yuan@unisoc.com>