Add Extra App Info into Settings App UI.

Bug: b/174956516
Test: Settings -> Apps -> APP -> Extra App Info
Change-Id: Id978fb3569579f54b8399156d52c2ddeceb9bb91

src/com/android/settings/applications/appinfo/ExtraAppInfoFeatureProvider.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2021 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.applications.appinfo;
+
+import android.content.Context;
+
+/**
+ * Provider for Extra App Info related feature
+ */
+public interface ExtraAppInfoFeatureProvider {
+    /** Returns true if the feature is supported. */
+    boolean isSupported(Context context);
+
+    /**
+     * Launch ExtraAppInfoSettings
+     */
+    void launchExtraAppInfoSettings(Context context);
+
+    /**
+     * Sets the package name
+     */
+    void setPackageName(String packageName);
+}