Add notification dots and popup menu notification support to the taskbar.

- Added support for notification dots
- Added support for notifications in popup menu
- Added support for dismissing notifications from the popup menu

Bug: 198438631
Test: long pressed launcher and taskbar icons, clicked notifications, clicked shortcuts
Change-Id: I7c981e60a82b4d6ce28332d804bbbfb5eb89c6a8

quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java

@@ -56,11 +56,14 @@ import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
+import com.android.launcher3.dot.DotInfo;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.logger.LauncherAtom;
 import com.android.launcher3.model.data.FolderInfo;
+import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
+import com.android.launcher3.popup.PopupDataProvider;
 import com.android.launcher3.touch.ItemClickHandler;
 import com.android.launcher3.util.PackageManagerHelper;
 import com.android.launcher3.util.SettingsCache;
@@ -168,7 +171,7 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
                 new TaskbarStashController(this),
                 new TaskbarEduController(this),
                 new TaskbarAutohideSuspendController(this),
-                new TaskbarPopupController());
+                new TaskbarPopupController(this));
     }
 
     public void init(TaskbarSharedState sharedState) {
@@ -316,6 +319,17 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
         }
     }
 
+    @Override
+    public DotInfo getDotInfoForItem(ItemInfo info) {
+        return getPopupDataProvider().getDotInfoForItem(info);
+    }
+
+    @NonNull
+    @Override
+    public PopupDataProvider getPopupDataProvider() {
+        return mControllers.taskbarPopupController.getPopupDataProvider();
+    }
+
     /**
      * Sets a new data-source for this taskbar instance
      */