Keystore 2.0: Implement vpn profile store db.

Test: N/A
Change-Id: I79f965dbe70460192eb182181be5e3be884867f2
diff --git a/keystore2/src/keystore2_main.rs b/keystore2/src/keystore2_main.rs
index 9dc59a2..0d14f84 100644
--- a/keystore2/src/keystore2_main.rs
+++ b/keystore2/src/keystore2_main.rs
@@ -22,12 +22,14 @@
 use keystore2::user_manager::UserManager;
 use log::{error, info};
 use std::{panic, path::Path, sync::mpsc::channel};
+use vpnprofilestore::VpnProfileStore;
 
 static KS2_SERVICE_NAME: &str = "android.system.keystore2";
 static APC_SERVICE_NAME: &str = "android.security.apc";
 static AUTHORIZATION_SERVICE_NAME: &str = "android.security.authorization";
 static REMOTE_PROVISIONING_SERVICE_NAME: &str = "android.security.remoteprovisioning";
 static USER_MANAGER_SERVICE_NAME: &str = "android.security.usermanager";
+static VPNPROFILESTORE_SERVICE_NAME: &str = "android.security.vpnprofilestore";
 
 /// Keystore 2.0 takes one argument which is a path indicating its designated working directory.
 fn main() {
@@ -114,6 +116,19 @@
             );
         });
     }
+
+    let vpnprofilestore = VpnProfileStore::new_native_binder(
+        &keystore2::globals::DB_PATH.lock().expect("Could not get DB_PATH."),
+    );
+    binder::add_service(VPNPROFILESTORE_SERVICE_NAME, vpnprofilestore.as_binder()).unwrap_or_else(
+        |e| {
+            panic!(
+                "Failed to register service {} because of {:?}.",
+                VPNPROFILESTORE_SERVICE_NAME, e
+            );
+        },
+    );
+
     info!("Successfully registered Keystore 2.0 service.");
 
     info!("Joining thread pool now.");