Use the icon bounds for all calculations.

- Fixes a drag and drop issue when the dynamic
grid scales icons down, due to the drawable bounds
not being equal to their bitmap sizes.

Change-Id: If7c68b51131de7bac3195a2619e22340f7789432
diff --git a/src/com/android/launcher3/Folder.java b/src/com/android/launcher3/Folder.java
index f26d01f..7fe83c5 100644
--- a/src/com/android/launcher3/Folder.java
+++ b/src/com/android/launcher3/Folder.java
@@ -787,6 +787,11 @@
     }
 
     @Override
+    public float getIntrinsicIconScaleFactor() {
+        return 1f;
+    }
+
+    @Override
     public boolean supportsFlingToDelete() {
         return true;
     }