Migrate LegalSettings to DashboardFragment

- CopyrightPreferenceController
- LegalPreferenceController
- LicensePreferenceController
- TermsPreferenceController
- WallpaperAttributionsPreferenceController
- WebViewLicensePreferenceController

Test: manual
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.deviceinfo
      make RunSettingsRoboTests -j ROBOTEST_FILTER=CodeInspectionTest
      atest UniquePreferenceTest

Change-Id: I28108eb926f9efec63390c2354cb0ebc0a785ec2

tests/robotests/src/com/android/settings/LegalSettingsTest.java

@@ -16,7 +16,6 @@
 package com.android.settings;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.spy;
 
 import android.content.Context;
 
@@ -28,57 +27,25 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
 
 import java.util.List;
 
 @RunWith(SettingsRobolectricTestRunner.class)
 public class LegalSettingsTest {
 
-    private Context mContext;
-    private LegalSettings mFragment;
-    private boolean mWallpaperRemoved;
-
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
-        mFragment = new LegalSettings() {
-            @Override
-            public boolean removePreference(String key) {
-                if (LegalSettings.KEY_WALLPAPER_ATTRIBUTIONS.equals(key)) {
-                    mWallpaperRemoved = true;
-
-                    return true;
-                }
-                return false;
-            }
-        };
     }
 
     @Test
-    public void testNonIndexableKeys_existInXmlLayout() {
+    public void getNonIndexableKeys_existInXmlLayout() {
         final Context context = RuntimeEnvironment.application;
         final List<String> niks =
-            LegalSettings.SEARCH_INDEX_DATA_PROVIDER.getNonIndexableKeys(context);
+                LegalSettings.SEARCH_INDEX_DATA_PROVIDER.getNonIndexableKeys(context);
 
         final List<String> keys = XmlTestUtils.getKeysFromPreferenceXml(context, R.xml.about_legal);
 
         assertThat(keys).containsAllIn(niks);
     }
-
-    @Test
-    public void testWallpaperAttributions_byDefault_shouldBeShown() {
-        mFragment.checkWallpaperAttributionAvailability(mContext);
-
-        assertThat(mWallpaperRemoved).isEqualTo(false);
-    }
-
-    @Test
-    @Config(qualifiers = "mcc999")
-    public void testWallpaperAttributions_ifDisabled_shouldNotBeShown() {
-        mFragment.checkWallpaperAttributionAvailability(mContext);
-
-        assertThat(mWallpaperRemoved).isEqualTo(true);
-    }
 }