chore: checkpoint before Python removal

vendor/getrandom-0.2.17/src/linux_android.rs

@@ -0,0 +1,7 @@
+//! Implementation for Linux / Android without `/dev/urandom` fallback
+use crate::{util_libc, Error};
+use core::mem::MaybeUninit;
+
+pub fn getrandom_inner(dest: &mut [MaybeUninit<u8>]) -> Result<(), Error> {
+    util_libc::sys_fill_exact(dest, util_libc::getrandom_syscall)
+}