UI Refresh: a new app info header for app/notification.

- moved force stop and uninstall button to bottom of page (as footer)
- Forked appheader layout file, and created AppHeaderController to
  contain all binding logic for header.

Bug: 32442716
Test: RunSettingsRoboTests
Change-Id: Id4eb365ca25e035c043c068867f5cbc3a202b201

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

@@ -21,6 +21,7 @@ import android.text.TextUtils;
 import android.util.Log;
 
 import com.android.settings.R;
+import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
 import com.android.settings.dashboard.DashboardFeatureProvider;
 import com.android.settings.fuelgauge.PowerUsageFeatureProvider;
@@ -71,6 +72,8 @@ public abstract class FeatureFactory {
 
     public abstract DashboardFeatureProvider getDashboardFeatureProvider(Context context);
 
+    public abstract ApplicationFeatureProvider getApplicationFeatureProvider(Context context);
+
     public abstract LocaleFeatureProvider getLocaleFeatureProvider();