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

Bug: 147302669
Change-Id: Ia4e74ff46a4d8338a56ea75ed826b69102c42d93
diff --git a/src/com/android/launcher3/util/DynamicResource.java b/src/com/android/launcher3/util/DynamicResource.java
index 8a75767..e6ee186 100644
--- a/src/com/android/launcher3/util/DynamicResource.java
+++ b/src/com/android/launcher3/util/DynamicResource.java
@@ -69,6 +69,11 @@
     }
 
     @Override
+    public float getFloat(@DimenRes int resId) {
+        return mContext.getResources().getFloat(resId);
+    }
+
+    @Override
     public void onPluginConnected(ResourceProvider plugin, Context context) {
         mPlugin = plugin;
     }