Move 'dismiss prediction' to droptarget

This is done to avoid shortcuts being crowded when a predicted app is
long pressed.

Bug: 148707493
Test: Manual
Change-Id: I356a2cebfcc329478d96ee815fd641179359a572
diff --git a/src/com/android/launcher3/ItemInfo.java b/src/com/android/launcher3/ItemInfo.java
index 3f723d1..c99465c 100644
--- a/src/com/android/launcher3/ItemInfo.java
+++ b/src/com/android/launcher3/ItemInfo.java
@@ -214,4 +214,11 @@
         return id;
     }
 
+    /**
+     * Returns if an Item is a predicted item
+     */
+    public boolean isPredictedItem() {
+        return container == LauncherSettings.Favorites.CONTAINER_HOTSEAT_PREDICTION
+                || container == LauncherSettings.Favorites.CONTAINER_PREDICTION;
+    }
 }