Update to zerocopy 0.8.

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

diff --git a/libs/devicemapper/src/crypt.rs b/libs/devicemapper/src/crypt.rs
index 3afd374..75417ed 100644
--- a/libs/devicemapper/src/crypt.rs
+++ b/libs/devicemapper/src/crypt.rs
@@ -23,7 +23,7 @@
 use std::io::Write;
 use std::mem::size_of;
 use std::path::Path;
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 
 const SECTOR_SIZE: u64 = 512;