Add test for unlocked-device-required key

Test: keystore2_client_tests
Change-Id: Icdf28ff9ff47a3133109e1ffaed9955fdbae9e83
diff --git a/keystore2/test_utils/authorizations.rs b/keystore2/test_utils/authorizations.rs
index 2cb2aaf..a96d994 100644
--- a/keystore2/test_utils/authorizations.rs
+++ b/keystore2/test_utils/authorizations.rs
@@ -360,6 +360,15 @@
         });
         self
     }
+
+    /// Set unlocked-device-required
+    pub fn unlocked_device_required(mut self) -> Self {
+        self.0.push(KeyParameter {
+            tag: Tag::UNLOCKED_DEVICE_REQUIRED,
+            value: KeyParameterValue::BoolValue(true),
+        });
+        self
+    }
 }
 
 impl Deref for AuthSetBuilder {