Android: Update to latest version of NDK.

Author: qwandor

ci/android-install-ndk.sh

@@ -2,7 +2,7 @@
 
 set -ex
 
-NDK=android-ndk-r19c
+NDK=android-ndk-r21d
 curl --retry 20 -O https://dl.google.com/android/repository/${NDK}-linux-x86_64.zip
 unzip -q ${NDK}-linux-x86_64.zip
 

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

@@ -322,7 +322,7 @@ pub const SYS_pwritev2: ::c_long = 287;
 pub const SYS_pkey_mprotect: ::c_long = 288;
 pub const SYS_pkey_alloc: ::c_long = 289;
 pub const SYS_pkey_free: ::c_long = 290;
-pub const SYS_syscalls: ::c_long = 292;
+pub const SYS_syscalls: ::c_long = 436;
 
 cfg_if! {
     if #[cfg(libc_align)] {