Use DashboardFeatureProvider to load homepage tiles.

Adding support to homepage category.

Test: SettingsRoboTests for regression. Will write tests for new feature
soon once we are set on the data structure.
Bug: 31781480

Change-Id: I25fa367fecb643f17e23f0182df7585bf1fcdd02

src/com/android/settings/overlay/FeatureFactoryImpl.java

@@ -53,9 +53,9 @@ public final class FeatureFactoryImpl extends FeatureFactory {
     }
 
     @Override
-    public DashboardFeatureProvider getDashboardFeatureProvider() {
+    public DashboardFeatureProvider getDashboardFeatureProvider(Context context) {
         if (mDashboardFeatureProvider == null) {
-            mDashboardFeatureProvider = new DashboardFeatureProviderImpl();
+            mDashboardFeatureProvider = new DashboardFeatureProviderImpl(context);
         }
         return mDashboardFeatureProvider;
     }