Log key import, generation, deletion for NIAP

Bug: 183201685
Test: atest MixedDeviceOwnerTest#testSecurityLoggingWithSingleUser
Change-Id: Ie4271a769c8a8c3241079cd15efed4e3b9e9468b
diff --git a/keystore2/src/lib.rs b/keystore2/src/lib.rs
index f851d3a..0ce83e6 100644
--- a/keystore2/src/lib.rs
+++ b/keystore2/src/lib.rs
@@ -42,6 +42,7 @@
 pub mod utils;
 
 mod attestation_key_utils;
+mod audit_log;
 mod db_utils;
 mod gc;
 mod super_key;