Add restrict app detail page

1. Move force standby action to BatteryUtils
2. Add click action for restricted preference(go to detail page)
3. Build app list in detail page using packageOps list

Bug: 71502850
Test: RunSettingsRoboTests
Change-Id: I1e6733e5402e7a854b07a8bbb43a86255276bfaa

tests/robotests/src/com/android/settings/fuelgauge/RestrictedAppDetailsTest.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2018 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.fuelgauge;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceCategory;
+import android.support.v7.preference.PreferenceManager;
+
+import com.android.settings.TestConfig;
+
+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.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import java.util.ArrayList;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class RestrictedAppDetailsTest {
+    private static final String PACKAGE_NAME = "com.android.app";
+    private static final String APP_NAME = "app";
+    private static final int UID = 1234;
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private ApplicationInfo mApplicationInfo;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private PreferenceManager mPreferenceManager;
+    private RestrictedAppDetails mFragment;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(RuntimeEnvironment.application);
+        mFragment = spy(new RestrictedAppDetails());
+
+        doReturn(mPreferenceManager).when(mFragment).getPreferenceManager();
+        doReturn(mContext).when(mPreferenceManager).getContext();
+        mFragment.mPackageManager = mPackageManager;
+        mFragment.mPackageOpsList = new ArrayList<>();
+        mFragment.mPackageOpsList.add(
+                new AppOpsManager.PackageOps(PACKAGE_NAME, UID, null /* entries */));
+        mFragment.mRestrictedAppListGroup = spy(new PreferenceCategory(mContext));
+        doReturn(mPreferenceManager).when(mFragment.mRestrictedAppListGroup).getPreferenceManager();
+    }
+
+    @Test
+    public void testRefreshUi_displayPreference() throws Exception {
+        doReturn(mApplicationInfo).when(mPackageManager).getApplicationInfo(PACKAGE_NAME, 0);
+        doReturn(APP_NAME).when(mPackageManager).getApplicationLabel(mApplicationInfo);
+
+        mFragment.refreshUi();
+
+        assertThat(mFragment.mRestrictedAppListGroup.getPreferenceCount()).isEqualTo(1);
+        final Preference preference = mFragment.mRestrictedAppListGroup.getPreference(0);
+        assertThat(preference.getKey()).isEqualTo(PACKAGE_NAME);
+        assertThat(preference.getTitle()).isEqualTo(APP_NAME);
+    }
+
+}