Change requests for Rust update v1.66.0

error: casting to the same type is unnecessary

Test: ./build.py --lto=thin
Bug: 263153841
Change-Id: Ibf820a90c36c46155d07176b3194b460904140c9
diff --git a/keystore2/aaid/lib.rs b/keystore2/aaid/lib.rs
index 3187198..8f6a09e 100644
--- a/keystore2/aaid/lib.rs
+++ b/keystore2/aaid/lib.rs
@@ -29,7 +29,7 @@
     // in the second pointer argument.
     let status = unsafe { aaid_keystore_attestation_id(uid, buffer.as_mut_ptr(), &mut size) };
     match status {
-        0 => Ok(buffer[0..size as usize].to_vec()),
+        0 => Ok(buffer[0..size].to_vec()),
         status => Err(status),
     }
 }