Minor code cleanup

Change-Id: I92c0f9c9c96bace85a96a781bb4fdf2604c6f75b
diff --git a/src/com/android/launcher2/Workspace.java b/src/com/android/launcher2/Workspace.java
index 8f11612..2ed18f6 100644
--- a/src/com/android/launcher2/Workspace.java
+++ b/src/com/android/launcher2/Workspace.java
@@ -1686,9 +1686,9 @@
                         .setInterpolator(mZoomInInterpolator);
                     anim.play(a);
 
-                    LauncherViewPropertyAnimator alphaAnim =
-                        new LauncherViewPropertyAnimator(cl.getShortcutsAndWidgets());
                     if (mOldAlphas[i] != mNewAlphas[i]) {
+                        LauncherViewPropertyAnimator alphaAnim =
+                            new LauncherViewPropertyAnimator(cl.getShortcutsAndWidgets());
                         alphaAnim.alpha(mNewAlphas[i])
                             .setDuration(duration)
                             .setInterpolator(mZoomInInterpolator);