Disable statusbar pulldown gesture tracking.

Bug: 7164602
Change-Id: Ie6569a7a8a9f462e844ef3088098c3256653f630
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index c9ec481..32b7c68 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -24,6 +24,7 @@
 import android.view.View;
 
 import com.android.systemui.R;
+import com.android.systemui.statusbar.GestureRecorder;
 
 public class NotificationPanelView extends PanelView {
 
@@ -47,9 +48,12 @@
 
     @Override
     public void fling(float vel, boolean always) {
-        ((PhoneStatusBarView) mBar).mBar.getGestureRecorder().tag(
-            "fling " + ((vel > 0) ? "open" : "closed"),
-            "notifications,v=" + vel);
+        GestureRecorder gr = ((PhoneStatusBarView) mBar).mBar.getGestureRecorder();
+        if (gr != null) {
+            gr.tag(
+                "fling " + ((vel > 0) ? "open" : "closed"),
+                "notifications,v=" + vel);
+        }
         super.fling(vel, always);
     }