Remote authenticator enrollment navigation.

This change adds an entry point for Remote Auth enrollment and
navigation through the flow.

Bug: b/293906345
Test: make RunSettingsRoboTests -j40
Change-Id: I9bc803e24c4181ed73a0ef90b171897c677e71d1

src/com/android/settings/remoteauth/RemoteAuthActivityInternal.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.remoteauth
+
+/**
+ * Wrapper of {@link RemoteAuthActivity} to use with a pre-defined task affinity.
+ */
+class RemoteAuthActivityInternal : RemoteAuthActivity()