Update to v5.16 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.16

Test: Builds and bionic unit tests pass.
Change-Id: I2522c4f2a0efb9f8a193e1f2d65868e478217502
diff --git a/libc/kernel/uapi/asm-arm/asm/unistd-eabi.h b/libc/kernel/uapi/asm-arm/asm/unistd-eabi.h
index 994a669..2af0e97 100644
--- a/libc/kernel/uapi/asm-arm/asm/unistd-eabi.h
+++ b/libc/kernel/uapi/asm-arm/asm/unistd-eabi.h
@@ -419,4 +419,5 @@
 #define __NR_landlock_add_rule (__NR_SYSCALL_BASE + 445)
 #define __NR_landlock_restrict_self (__NR_SYSCALL_BASE + 446)
 #define __NR_process_mrelease (__NR_SYSCALL_BASE + 448)
+#define __NR_futex_waitv (__NR_SYSCALL_BASE + 449)
 #endif