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

tests/robotests/src/com/android/settings/applications/FetchPackageStorageAsyncLoaderTest.java

@@ -0,0 +1,72 @@
+/*
+ * 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 static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.os.UserHandle;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settingslib.applications.StorageStatsSource;
+import com.android.settingslib.applications.StorageStatsSource.AppStorageStats;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class FetchPackageStorageAsyncLoaderTest {
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private StorageStatsSource mSource;
+
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void worksForValidPackageNameAndUid() {
+        AppStorageStats stats = mock(AppStorageStats.class);
+        when(stats.getCodeBytes()).thenReturn(1L);
+        when(stats.getDataBytes()).thenReturn(2L);
+        when(stats.getCacheBytes()).thenReturn(3L);
+        when(mSource.getStatsForPackage(anyString(), anyString(), any(UserHandle.class)))
+                .thenReturn(stats);
+        ApplicationInfo info = new ApplicationInfo();
+        info.packageName = "com.test.package";
+
+        FetchPackageStorageAsyncLoader task = new FetchPackageStorageAsyncLoader(
+                mContext, mSource, info, new UserHandle(0));
+        assertThat(task.loadInBackground()).isEqualTo(stats);
+    }
+}