Review comments followup

These are review comments followup from ag/17399997

Bug: b/218187058
Test: manually test thet Launcher3 features work correctly
Change-Id: I9865a37c1ed663370dc28e7678994f3d961e3cd1
diff --git a/src/com/android/launcher3/LauncherAnimUtils.java b/src/com/android/launcher3/LauncherAnimUtils.java
index 4f3ae59..808bf96 100644
--- a/src/com/android/launcher3/LauncherAnimUtils.java
+++ b/src/com/android/launcher3/LauncherAnimUtils.java
@@ -72,8 +72,8 @@
      * of all the ones set, to have a smooth experience even in the case of overlapping scaling
      * animation.
      */
-    public static final MultiScalePropertyFactory<Workspace> WORKSPACE_SCALE_PROPERTY_FACTORY =
-            new MultiScalePropertyFactory<Workspace>("workspace_scale_property");
+    public static final MultiScalePropertyFactory<Workspace<?>> WORKSPACE_SCALE_PROPERTY_FACTORY =
+            new MultiScalePropertyFactory<Workspace<?>>("workspace_scale_property");
 
     /** Property to set the scale of hotseat. */
     public static final MultiScalePropertyFactory<Hotseat> HOTSEAT_SCALE_PROPERTY_FACTORY =