Show information about who has lots of keys

If `list_key_entries` requires truncation to fit in Binder message size,
include the domain/namespace involved.

Test: keystore2_client_tests
Bug: 319563050
Change-Id: I5aa63baddeb62ecf2816d95601d3629f8e1aa87c
diff --git a/keystore2/src/utils.rs b/keystore2/src/utils.rs
index 196cac5..521d8c4 100644
--- a/keystore2/src/utils.rs
+++ b/keystore2/src/utils.rs
@@ -514,6 +514,8 @@
 }
 
 fn estimate_safe_amount_to_return(
+    domain: Domain,
+    namespace: i64,
     key_descriptors: &[KeyDescriptor],
     response_size_limit: usize,
 ) -> usize {
@@ -538,11 +540,9 @@
         // 350KB and return a partial list.
         if returned_bytes > response_size_limit {
             log::warn!(
-                "Key descriptors list ({} items) may exceed binder \
-                       size, returning {} items est {} bytes.",
+                "{domain:?}:{namespace}: Key descriptors list ({} items) may exceed binder \
+                       size, returning {items_to_return} items est {returned_bytes} bytes.",
                 key_descriptors.len(),
-                items_to_return,
-                returned_bytes
             );
             break;
         }
@@ -576,7 +576,7 @@
 
     const RESPONSE_SIZE_LIMIT: usize = 358400;
     let safe_amount_to_return =
-        estimate_safe_amount_to_return(&merged_key_entries, RESPONSE_SIZE_LIMIT);
+        estimate_safe_amount_to_return(domain, namespace, &merged_key_entries, RESPONSE_SIZE_LIMIT);
     Ok(merged_key_entries[..safe_amount_to_return].to_vec())
 }
 
@@ -669,9 +669,9 @@
         let key_aliases = vec!["key1", "key2", "key3"];
         let key_descriptors = create_key_descriptors_from_aliases(&key_aliases);
 
-        assert_eq!(estimate_safe_amount_to_return(&key_descriptors, 20), 1);
-        assert_eq!(estimate_safe_amount_to_return(&key_descriptors, 50), 2);
-        assert_eq!(estimate_safe_amount_to_return(&key_descriptors, 100), 3);
+        assert_eq!(estimate_safe_amount_to_return(Domain::APP, 1017, &key_descriptors, 20), 1);
+        assert_eq!(estimate_safe_amount_to_return(Domain::APP, 1017, &key_descriptors, 50), 2);
+        assert_eq!(estimate_safe_amount_to_return(Domain::APP, 1017, &key_descriptors, 100), 3);
         Ok(())
     }