Fix expanded notifications on lockscreen

Bug: 17340086
Change-Id: I388f859cea1ad5daf195590512ee684e88b9299c
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
index e818d23..6127811 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
@@ -720,6 +720,8 @@
         abortAnimations();
         if (mTracking) {
             onTrackingStopped(true /* expands */); // The panel is expanded after this call.
+        }
+        if (mExpanding) {
             notifyExpandingFinished();
         }
         setVisibility(VISIBLE);