App title in Widget list shouldn't be actionable by a11y methods

Bug:139913027
Test:Manual
Change-Id: I2a5d5551d09ee2bc96444164ed77225a3b4a829a
(cherry picked from commit d3720c210b)

src/com/android/launcher3/LauncherSettings.java

@@ -58,6 +58,10 @@ public class LauncherSettings {
          */
         public static final String ITEM_TYPE = "itemType";
 
+        /**
+         * The gesture is a package
+         */
+        public static final int ITEM_TYPE_NON_ACTIONABLE = -1;
         /**
          * The gesture is an application
          */

src/com/android/launcher3/model/PackageItemInfo.java

@@ -17,6 +17,7 @@
 package com.android.launcher3.model;
 
 import com.android.launcher3.ItemInfoWithIcon;
+import com.android.launcher3.LauncherSettings;
 
 /**
  * Represents a {@link Package} in the widget tray section.
@@ -30,10 +31,12 @@ public class PackageItemInfo extends ItemInfoWithIcon {
 
     public PackageItemInfo(String packageName) {
         this.packageName = packageName;
+        this.itemType = LauncherSettings.Favorites.ITEM_TYPE_NON_ACTIONABLE;
     }
 
     public PackageItemInfo(PackageItemInfo copy) {
         this.packageName = copy.packageName;
+        this.itemType = LauncherSettings.Favorites.ITEM_TYPE_NON_ACTIONABLE;
     }
 
     @Override