Add animation for the status bar going away.

Bug: 3077525
Change-Id: I0c166fc161f8febe963e667259517173b9ac609b
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarService.java b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarService.java
index 8f3e0fe..b1c6ad8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarService.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarService.java
@@ -336,7 +336,7 @@
                 PixelFormat.RGBX_8888);
         lp.gravity = Gravity.TOP | Gravity.FILL_HORIZONTAL;
         lp.setTitle("StatusBar");
-        // TODO lp.windowAnimations = R.style.Animation_StatusBar;
+        lp.windowAnimations = com.android.internal.R.style.Animation_StatusBar;
 
         WindowManagerImpl.getDefault().addView(view, lp);
     }