Update to zerocopy 0.8.

Bug: 372549215
Test: m vfio_handler pvmfw virtmgr apkdmverity libdm_rust.test
Change-Id: I81f6aea8bf984c0506c6f6b0754b6addc59fc3ca

diff --git a/libs/libfdt/src/lib.rs b/libs/libfdt/src/lib.rs
index 5883567..c969749 100644
--- a/libs/libfdt/src/lib.rs
+++ b/libs/libfdt/src/lib.rs
@@ -33,7 +33,7 @@
 use core::ops::Range;
 use cstr::cstr;
 use libfdt::get_slice_at_ptr;
-use zerocopy::AsBytes as _;
+use zerocopy::IntoBytes as _;
 
 use crate::libfdt::{Libfdt, LibfdtMut};