Keystore 2.0: Implement shared secret negotiation.

Perform shared secret negotiation between all eligible participants.

Bug: 160623310
Test: N/A
Change-Id: I7c0ddb92a8f0ebf9fc37434f662ba21aea15fff2
diff --git a/keystore2/src/lib.rs b/keystore2/src/lib.rs
index 0e51eff..2a00ae3 100644
--- a/keystore2/src/lib.rs
+++ b/keystore2/src/lib.rs
@@ -32,6 +32,7 @@
 pub mod remote_provisioning;
 pub mod security_level;
 pub mod service;
+pub mod shared_secret_negotiation;
 pub mod user_manager;
 pub mod utils;