Integrate Android biometrics with the shared Rust lease (#98)

crates/mobile-bridge/src/lib.rs

@@ -1762,6 +1762,27 @@ impl MobileAuthentication {
             .map_err(Into::into)
     }
 
+    pub fn enroll_biometric_unlock(
+        &self,
+        passphrase: String,
+    ) -> Result<MobileAuthenticationState, MobileAuthenticationFfiError> {
+        self.authentication
+            .enroll_biometric_unlock(ironstorage::repository::SecretBytes::new(
+                passphrase.into_bytes(),
+            ))
+            .map(Into::into)
+            .map_err(Into::into)
+    }
+
+    pub fn restore_biometric_lease(
+        &self,
+    ) -> Result<MobileAuthenticationState, MobileAuthenticationFfiError> {
+        self.authentication
+            .restore_biometric_lease()
+            .map(Into::into)
+            .map_err(Into::into)
+    }
+
     pub fn touch_user_activity(&self) -> Result<(), MobileAuthenticationFfiError> {
         self.authentication
             .touch_user_activity()