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/src/utils.rs b/keystore2/src/utils.rs
index 75d98e2..4481172 100644
--- a/keystore2/src/utils.rs
+++ b/keystore2/src/utils.rs
@@ -209,6 +209,7 @@
     parameters.into_iter().map(|p| p.into_authorization()).collect()
 }
 
+#[allow(clippy::unnecessary_cast)]
 /// This returns the current time (in milliseconds) as an instance of a monotonic clock,
 /// by invoking the system call since Rust does not support getting monotonic time instance
 /// as an integer.