Add setting page for swipe to notification.

In this change input & gesture page added 5 separate gesture
preferences, each should lead to a new page to set gesture setting. For
now only swipe to notification preference is wired up. Will implement
the rest in later changes.

Bug: 32637613
Test: make RunSettingsRoboTests -j40
Change-Id: I57ceea8fcd85f3a0ab59cbd12da50b7138f5ca0c

src/com/android/settings/inputmethod/InputAndGestureSettings.java

@@ -21,6 +21,7 @@ import android.content.Context;
 import com.android.settings.R;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.gestures.SwipeToNotificationPreferenceController;
 import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
@@ -58,6 +59,7 @@ public class InputAndGestureSettings extends DashboardFragment {
 
         final List<PreferenceController> controllers = new ArrayList<>();
         controllers.add(gameControllerPreferenceController);
+        controllers.add(new SwipeToNotificationPreferenceController(context));
 
         return controllers;
     }