Makes spring variable dynamic resources so that they can be changed via plugin

Bug: 147302669
Change-Id: Ia4e74ff46a4d8338a56ea75ed826b69102c42d93

src/com/android/launcher3/util/DynamicResource.java

@@ -68,6 +68,11 @@ public class DynamicResource implements ResourceProvider, PluginListener<Resourc
         return mContext.getResources().getColor(resId, null);
     }
 
+    @Override
+    public float getFloat(@DimenRes int resId) {
+        return mContext.getResources().getFloat(resId);
+    }
+
     @Override
     public void onPluginConnected(ResourceProvider plugin, Context context) {
         mPlugin = plugin;