keystore2: Add utils to fetch keys from RKPD

Bug: 261214100
Test: keystore2_test
Change-Id: I87ec83dd700b4e3e24c65ce0650cd5643000a390
diff --git a/keystore2/src/lib.rs b/keystore2/src/lib.rs
index 0b830be..9794889 100644
--- a/keystore2/src/lib.rs
+++ b/keystore2/src/lib.rs
@@ -38,6 +38,7 @@
 pub mod permission;
 pub mod raw_device;
 pub mod remote_provisioning;
+pub mod rkpd_client;
 pub mod security_level;
 pub mod service;
 pub mod shared_secret_negotiation;