Move ManageApplications to sub package and remove dead code

Bug: 64804294
Test: rerun test
Change-Id: I23cbd8da9b65f52470030ba3b9b676ece2bada11

src/com/android/settings/applications/manageapplications/FileViewHolderController.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2015 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.manageapplications;
+
+import android.app.Fragment;
+
+/**
+ * FileViewHolderController handles adapting the AppViewHolder to work as a general purpose
+ * storage categorization preference in the ManageApplications view.
+ */
+public interface FileViewHolderController {
+    /**
+     * Begins a synchronous query for statistics for the files.
+     */
+    void queryStats();
+
+    /**
+     * Returns if the preference should be shown.
+     */
+    boolean shouldShow();
+
+    /**
+     * Initializes the view within an AppViewHolder.
+     * @param holder The holder to use to initialize.
+     */
+    void setupView(AppViewHolder holder);
+
+    /**
+     * Handles the behavior when the view is clicked.
+     * @param fragment Fragment where the click originated.
+     */
+    void onClick(Fragment fragment);
+}