Add SYS_lseek and SYS_mmap for aarch64 Android

Values are sourced from
https://android.googlesource.com/platform/bionic/+/0339184/libc/kernel/uapi/asm-generic/unistd.h.

(apply <#3632> to `main`)
[ resolve conflicts - Trevor ]
(cherry picked from commit 0b08bd5)

Author: lberrymage

libc-test/semver/android-aarch64.txt

@@ -12,7 +12,9 @@ HWCAP2_SVESM4
 PROT_BTI
 PROT_MTE
 SYS_arch_specific_syscall
+SYS_lseek
 SYS_memfd_secret
+SYS_mmap
 SYS_syscalls
 SYS_fcntl
 __system_property_wait

src/unix/linux_like/android/b64/aarch64/mod.rs

@@ -192,6 +192,7 @@ pub const SYS_vhangup: ::c_long = 58;
 pub const SYS_pipe2: ::c_long = 59;
 pub const SYS_quotactl: ::c_long = 60;
 pub const SYS_getdents64: ::c_long = 61;
+pub const SYS_lseek: ::c_long = 62;
 pub const SYS_read: ::c_long = 63;
 pub const SYS_write: ::c_long = 64;
 pub const SYS_readv: ::c_long = 65;
@@ -348,6 +349,7 @@ pub const SYS_request_key: ::c_long = 218;
 pub const SYS_keyctl: ::c_long = 219;
 pub const SYS_clone: ::c_long = 220;
 pub const SYS_execve: ::c_long = 221;
+pub const SYS_mmap: ::c_long = 222;
 pub const SYS_swapon: ::c_long = 224;
 pub const SYS_swapoff: ::c_long = 225;
 pub const SYS_mprotect: ::c_long = 226;