Keystore 2.0: Move db_utils to database submodule.

Ignore-AOSP-First: No automerge path from AOSP.
Bug: 189470584
Bug: 187862706
Test: N/A
Change-Id: Id4abe50c948140152f83ca4663d7baa890375c6d
Merged-In: Id4abe50c948140152f83ca4663d7baa890375c6d
diff --git a/keystore2/src/key_parameter.rs b/keystore2/src/key_parameter.rs
index de142a7..771d609 100644
--- a/keystore2/src/key_parameter.rs
+++ b/keystore2/src/key_parameter.rs
@@ -92,7 +92,7 @@
 
 use std::convert::TryInto;
 
-use crate::db_utils::SqlField;
+use crate::database::utils::SqlField;
 use crate::error::Error as KeystoreError;
 use crate::error::ResponseCode;