Add shadow to searchbar when user scrolls vertically

Bug: 63528057
Test: robotests

Change-Id: Ib85676d78b43be38aab1eacd0820d0755a601f60
(cherry picked from commit e651ddf9e6)

src/com/android/settings/dashboard/DashboardSummary.java

@@ -40,6 +40,7 @@ import com.android.settings.dashboard.suggestions.SuggestionDismissController;
 import com.android.settings.dashboard.suggestions.SuggestionFeatureProvider;
 import com.android.settings.dashboard.suggestions.SuggestionsChecks;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settings.widget.ActionBarShadowController;
 import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.SettingsDrawerActivity;
@@ -192,12 +193,14 @@ public class DashboardSummary extends InstrumentedFragment
         mDashboard.setHasFixedSize(true);
         mDashboard.addItemDecoration(new DashboardDecorator(getContext()));
         mDashboard.setListener(this);
-        Log.d(TAG, "adapter created");
         mAdapter = new DashboardAdapter(getContext(), bundle, mConditionManager.getConditions(),
             mSuggestionParser, this /* SuggestionDismissController.Callback */);
         mDashboard.setAdapter(mAdapter);
         mDashboard.setItemAnimator(new DashboardItemAnimator());
         mSummaryLoader.setSummaryConsumer(mAdapter);
+        ActionBarShadowController.attachToRecyclerView(
+                getActivity().findViewById(R.id.search_bar_container), getLifecycle(), mDashboard);
+
         if (DEBUG_TIMING) {
             Log.d(TAG, "onViewCreated took "
                     + (System.currentTimeMillis() - startTime) + " ms");

src/com/android/settings/dashboard/conditional/CellularDataCondition.java

@@ -44,7 +44,7 @@ public class CellularDataCondition extends Condition {
             setActive(false);
             return;
         }
-        setActive(!telephony.getDataEnabled());
+        setActive(!telephony.isDataEnabled());
     }
 
     @Override

src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java

@@ -25,7 +25,6 @@ import android.provider.Settings;
 import android.support.annotation.NonNull;
 import android.util.Log;
 
-import com.android.internal.hardware.AmbientDisplayConfiguration;
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.Settings.AmbientDisplayPickupSuggestionActivity;
 import com.android.settings.Settings.AmbientDisplaySuggestionActivity;
@@ -54,7 +53,6 @@ public class SuggestionFeatureProviderImpl implements SuggestionFeatureProvider
 
     private final SuggestionRanker mSuggestionRanker;
     private final MetricsFeatureProvider mMetricsFeatureProvider;
-    private final AmbientDisplayConfiguration mAmbientDisplayConfig;
 
     @Override
     public boolean isSmartSuggestionEnabled(Context context) {
@@ -96,7 +94,6 @@ public class SuggestionFeatureProviderImpl implements SuggestionFeatureProvider
                 new SuggestionFeaturizer(new EventStore(appContext)));
         mMetricsFeatureProvider = FeatureFactory.getFactory(appContext)
                 .getMetricsFeatureProvider();
-        mAmbientDisplayConfig = new AmbientDisplayConfiguration(appContext);
     }
 
     @Override