Use storage fast track to query packages in app info.

App info used to use the old ApplicationsState path. This
removes the size query and replaces it with an AsyncTask to
load the sizes.

Fixes: 35805032
Test: Robotest
Change-Id: Ica1c88da2b407c3cbd4d7f970c7c44e4064393b3

src/com/android/settings/applications/FetchPackageStorageAsyncLoader.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2017 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;
+
+import android.annotation.NonNull;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.os.UserHandle;
+
+import com.android.internal.util.Preconditions;
+import com.android.settings.utils.AsyncLoader;
+import com.android.settingslib.applications.StorageStatsSource;
+import com.android.settingslib.applications.StorageStatsSource.AppStorageStats;
+
+/**
+ * Fetches the storage stats using the StorageStatsManager for a given package and user tuple.
+ */
+public class FetchPackageStorageAsyncLoader extends AsyncLoader<AppStorageStats> {
+    private final StorageStatsSource mSource;
+    private final ApplicationInfo mInfo;
+    private final UserHandle mUser;
+
+    public FetchPackageStorageAsyncLoader(Context context, @NonNull StorageStatsSource source,
+            @NonNull ApplicationInfo info, @NonNull UserHandle user) {
+        super(context);
+        mSource = Preconditions.checkNotNull(source);
+        mInfo = info;
+        mUser = user;
+    }
+
+    @Override
+    public AppStorageStats loadInBackground() {
+        return mSource.getStatsForPackage(mInfo.volumeUuid, mInfo.packageName, mUser);
+    }
+
+    @Override
+    protected void onDiscardResult(AppStorageStats result) {
+    }
+}