Update Android for Rust 1.83.0

* Unnecessary return
* Unnecessary lifetime
* Use `.div_ceil()`

Test: m rust
Bug: 384401387
Change-Id: I7139ff204d35d179cf41b1b26aab5530f7041b39
diff --git a/libs/apkverify/src/hashtree.rs b/libs/apkverify/src/hashtree.rs
index 00d8292..54e879b 100644
--- a/libs/apkverify/src/hashtree.rs
+++ b/libs/apkverify/src/hashtree.rs
@@ -84,7 +84,7 @@
             let mut level0 = Cursor::new(&mut hash_tree[cur.start..cur.end]);
 
             let mut a_block = vec![0; block_size];
-            let mut num_blocks = (input_size + block_size - 1) / block_size;
+            let mut num_blocks = input_size.div_ceil(block_size);
             while num_blocks > 0 {
                 input.read_exact(&mut a_block)?;
                 let h = hash_one_block(&a_block, salt, block_size, algorithm)?;
@@ -138,7 +138,7 @@
         if input_size <= block_size {
             break;
         }
-        let num_blocks = (input_size + block_size - 1) / block_size;
+        let num_blocks = input_size.div_ceil(block_size);
         let hashes_size = round_to_multiple(num_blocks * digest_size, block_size);
         level_sizes.push(hashes_size);
     }
diff --git a/libs/bssl/src/cbb.rs b/libs/bssl/src/cbb.rs
index a48c714..282a77d 100644
--- a/libs/bssl/src/cbb.rs
+++ b/libs/bssl/src/cbb.rs
@@ -40,13 +40,13 @@
     }
 }
 
-impl<'a> AsRef<CBB> for CbbFixed<'a> {
+impl AsRef<CBB> for CbbFixed<'_> {
     fn as_ref(&self) -> &CBB {
         &self.cbb
     }
 }
 
-impl<'a> AsMut<CBB> for CbbFixed<'a> {
+impl AsMut<CBB> for CbbFixed<'_> {
     fn as_mut(&mut self) -> &mut CBB {
         &mut self.cbb
     }
diff --git a/libs/bssl/src/cbs.rs b/libs/bssl/src/cbs.rs
index 12671cf..166484c 100644
--- a/libs/bssl/src/cbs.rs
+++ b/libs/bssl/src/cbs.rs
@@ -42,13 +42,13 @@
     }
 }
 
-impl<'a> AsRef<CBS> for Cbs<'a> {
+impl AsRef<CBS> for Cbs<'_> {
     fn as_ref(&self) -> &CBS {
         &self.cbs
     }
 }
 
-impl<'a> AsMut<CBS> for Cbs<'a> {
+impl AsMut<CBS> for Cbs<'_> {
     fn as_mut(&mut self) -> &mut CBS {
         &mut self.cbs
     }
diff --git a/libs/bssl/src/ec_key.rs b/libs/bssl/src/ec_key.rs
index 3e2e382..da9eb77 100644
--- a/libs/bssl/src/ec_key.rs
+++ b/libs/bssl/src/ec_key.rs
@@ -471,7 +471,7 @@
 /// Wrapper of an `EC_GROUP` reference.
 struct EcGroup<'a>(&'a EC_GROUP);
 
-impl<'a> EcGroup<'a> {
+impl EcGroup<'_> {
     /// Returns the NID that identifies the EC group of the key.
     fn curve_nid(&self) -> i32 {
         // SAFETY: It is safe since the inner pointer is valid and points to an initialized
@@ -518,7 +518,7 @@
     }
 }
 
-impl<'a> AsRef<EC_GROUP> for EcGroup<'a> {
+impl AsRef<EC_GROUP> for EcGroup<'_> {
     fn as_ref(&self) -> &EC_GROUP {
         self.0
     }
diff --git a/libs/devicemapper/src/crypt.rs b/libs/devicemapper/src/crypt.rs
index 75417ed..1326caf 100644
--- a/libs/devicemapper/src/crypt.rs
+++ b/libs/devicemapper/src/crypt.rs
@@ -87,7 +87,7 @@
     opt_params: Vec<&'a str>,
 }
 
-impl<'a> Default for DmCryptTargetBuilder<'a> {
+impl Default for DmCryptTargetBuilder<'_> {
     fn default() -> Self {
         DmCryptTargetBuilder {
             cipher: CipherType::AES256HCTR2,
diff --git a/libs/devicemapper/src/verity.rs b/libs/devicemapper/src/verity.rs
index 09087da..100320b 100644
--- a/libs/devicemapper/src/verity.rs
+++ b/libs/devicemapper/src/verity.rs
@@ -66,7 +66,7 @@
     }
 }
 
-impl<'a> Default for DmVerityTargetBuilder<'a> {
+impl Default for DmVerityTargetBuilder<'_> {
     fn default() -> Self {
         DmVerityTargetBuilder {
             version: DmVerityVersion::V1,
diff --git a/libs/dice/driver/src/lib.rs b/libs/dice/driver/src/lib.rs
index b5c1f12..245bf11 100644
--- a/libs/dice/driver/src/lib.rs
+++ b/libs/dice/driver/src/lib.rs
@@ -185,7 +185,6 @@
 #[cfg(test)]
 mod tests {
     use super::*;
-    use core::ffi::CStr;
     use diced_open_dice::{
         hash, retry_bcc_format_config_descriptor, DiceConfigValues, HIDDEN_SIZE,
     };
@@ -233,10 +232,7 @@
 
         let dice = DiceDriver::from_file(&file_path)?;
 
-        let values = DiceConfigValues {
-            component_name: Some(CStr::from_bytes_with_nul(b"test\0")?),
-            ..Default::default()
-        };
+        let values = DiceConfigValues { component_name: Some(c"test"), ..Default::default() };
         let desc = retry_bcc_format_config_descriptor(&values)?;
         let code_hash = hash(&String::from("test code hash").into_bytes())?;
         let authority_hash = hash(&String::from("test authority hash").into_bytes())?;
diff --git a/libs/dice/open_dice/src/bcc.rs b/libs/dice/open_dice/src/bcc.rs
index a3ddd76..1d9039d 100644
--- a/libs/dice/open_dice/src/bcc.rs
+++ b/libs/dice/open_dice/src/bcc.rs
@@ -172,7 +172,7 @@
     bcc: Option<&'a [u8]>,
 }
 
-impl<'a> DiceArtifacts for BccHandover<'a> {
+impl DiceArtifacts for BccHandover<'_> {
     fn cdi_attest(&self) -> &[u8; CDI_SIZE] {
         self.cdi_attest
     }
diff --git a/libs/dice/sample_inputs/src/sample_inputs.rs b/libs/dice/sample_inputs/src/sample_inputs.rs
index c323bc4..adca46b 100644
--- a/libs/dice/sample_inputs/src/sample_inputs.rs
+++ b/libs/dice/sample_inputs/src/sample_inputs.rs
@@ -18,7 +18,6 @@
 use alloc::vec;
 use alloc::vec::Vec;
 use ciborium::{de, ser, value::Value};
-use core::ffi::CStr;
 use coset::{iana, Algorithm, AsCborValue, CoseKey, KeyOperation, KeyType, Label};
 use diced_open_dice::{
     derive_cdi_private_key_seed, keypair_from_seed, retry_bcc_format_config_descriptor,
@@ -115,7 +114,7 @@
 
     // Gets the ABL certificate to as the root certificate of DICE chain.
     let config_values = DiceConfigValues {
-        component_name: Some(CStr::from_bytes_with_nul(b"ABL\0").unwrap()),
+        component_name: Some(c"ABL"),
         component_version: Some(1),
         resettable: true,
         security_version: Some(10),
@@ -148,7 +147,7 @@
 
     // Appends AVB certificate to DICE chain.
     let config_values = DiceConfigValues {
-        component_name: Some(CStr::from_bytes_with_nul(b"AVB\0").unwrap()),
+        component_name: Some(c"AVB"),
         component_version: Some(1),
         resettable: true,
         security_version: Some(11),
@@ -173,7 +172,7 @@
 
     // Appends Android certificate to DICE chain.
     let config_values = DiceConfigValues {
-        component_name: Some(CStr::from_bytes_with_nul(b"Android\0").unwrap()),
+        component_name: Some(c"Android"),
         component_version: Some(12),
         resettable: true,
         security_version: Some(12),
diff --git a/libs/libfdt/src/iterators.rs b/libs/libfdt/src/iterators.rs
index 743c52b..1c66e4d 100644
--- a/libs/libfdt/src/iterators.rs
+++ b/libs/libfdt/src/iterators.rs
@@ -66,7 +66,7 @@
     }
 }
 
-impl<'a> Iterator for CellIterator<'a> {
+impl Iterator for CellIterator<'_> {
     type Item = u32;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -118,7 +118,7 @@
     }
 }
 
-impl<'a> Iterator for RegIterator<'a> {
+impl Iterator for RegIterator<'_> {
     type Item = Reg<u64>;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -161,7 +161,7 @@
     }
 }
 
-impl<'a> Iterator for MemRegIterator<'a> {
+impl Iterator for MemRegIterator<'_> {
     type Item = Range<usize>;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -215,8 +215,8 @@
     }
 }
 
-impl<'a, A: FromAddrCells, P: FromAddrCells, S: FromSizeCells> Iterator
-    for RangesIterator<'a, A, P, S>
+impl<A: FromAddrCells, P: FromAddrCells, S: FromSizeCells> Iterator
+    for RangesIterator<'_, A, P, S>
 {
     type Item = AddressRange<A, P, S>;
 
diff --git a/libs/libfdt/src/lib.rs b/libs/libfdt/src/lib.rs
index 0dcd31a..47f4817 100644
--- a/libs/libfdt/src/lib.rs
+++ b/libs/libfdt/src/lib.rs
@@ -344,7 +344,7 @@
     }
 }
 
-impl<'a> PartialEq for FdtNode<'a> {
+impl PartialEq for FdtNode<'_> {
     fn eq(&self, other: &Self) -> bool {
         self.fdt.as_ptr() == other.fdt.as_ptr() && self.offset == other.offset
     }
diff --git a/libs/libservice_vm_requests/src/cert.rs b/libs/libservice_vm_requests/src/cert.rs
index e31d870..de5ae1a 100644
--- a/libs/libservice_vm_requests/src/cert.rs
+++ b/libs/libservice_vm_requests/src/cert.rs
@@ -58,7 +58,7 @@
     vm_components: Vec<VmComponent<'a>>,
 }
 
-impl<'a> AssociatedOid for AttestationExtension<'a> {
+impl AssociatedOid for AttestationExtension<'_> {
     const OID: ObjectIdentifier = AVF_ATTESTATION_EXTENSION_V1;
 }
 
diff --git a/libs/libvm_payload/src/lib.rs b/libs/libvm_payload/src/lib.rs
index cbadec2..14aff99 100644
--- a/libs/libvm_payload/src/lib.rs
+++ b/libs/libvm_payload/src/lib.rs
@@ -27,7 +27,7 @@
 use rpcbinder::{RpcServer, RpcSession};
 use openssl::{ec::EcKey, sha::sha256, ecdsa::EcdsaSig};
 use std::convert::Infallible;
-use std::ffi::{CString, CStr};
+use std::ffi::CString;
 use std::fmt::Debug;
 use std::os::raw::{c_char, c_void};
 use std::path::Path;
@@ -376,20 +376,16 @@
 #[no_mangle]
 pub extern "C" fn AVmAttestationStatus_toString(status: AVmAttestationStatus) -> *const c_char {
     let message = match status {
-        AVmAttestationStatus::ATTESTATION_OK => {
-            CStr::from_bytes_with_nul(b"The remote attestation completes successfully.\0").unwrap()
-        }
+        AVmAttestationStatus::ATTESTATION_OK => c"The remote attestation completes successfully.",
         AVmAttestationStatus::ATTESTATION_ERROR_INVALID_CHALLENGE => {
-            CStr::from_bytes_with_nul(b"The challenge size is not between 0 and 64.\0").unwrap()
+            c"The challenge size is not between 0 and 64."
         }
         AVmAttestationStatus::ATTESTATION_ERROR_ATTESTATION_FAILED => {
-            CStr::from_bytes_with_nul(b"Failed to attest the VM. Please retry at a later time.\0")
-                .unwrap()
+            c"Failed to attest the VM. Please retry at a later time."
         }
-        AVmAttestationStatus::ATTESTATION_ERROR_UNSUPPORTED => CStr::from_bytes_with_nul(
-            b"Remote attestation is not supported in the current environment.\0",
-        )
-        .unwrap(),
+        AVmAttestationStatus::ATTESTATION_ERROR_UNSUPPORTED => {
+            c"Remote attestation is not supported in the current environment."
+        }
     };
     message.as_ptr()
 }
diff --git a/libs/libvm_payload/wrapper/attestation.rs b/libs/libvm_payload/wrapper/attestation.rs
index e0055d5..69fef4f 100644
--- a/libs/libvm_payload/wrapper/attestation.rs
+++ b/libs/libvm_payload/wrapper/attestation.rs
@@ -265,7 +265,7 @@
     current: usize, // Invariant: current <= count
 }
 
-impl<'a> Iterator for CertIterator<'a> {
+impl Iterator for CertIterator<'_> {
     type Item = Vec<u8>;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -284,5 +284,5 @@
     }
 }
 
-impl<'a> ExactSizeIterator for CertIterator<'a> {}
-impl<'a> FusedIterator for CertIterator<'a> {}
+impl ExactSizeIterator for CertIterator<'_> {}
+impl FusedIterator for CertIterator<'_> {}
diff --git a/libs/statslog_virtualization/Android.bp b/libs/statslog_virtualization/Android.bp
index 2860e6c..f33a147 100644
--- a/libs/statslog_virtualization/Android.bp
+++ b/libs/statslog_virtualization/Android.bp
@@ -72,4 +72,7 @@
     rustlibs: [
         "libstatslog_virtualization_rust_header",
     ],
+    flags: [
+        "-A clippy::needless-lifetimes",
+    ],
 }