Remove callback on destroy view

Should avoid a memory leak causing CollapsedStatusBarFragment to be
retained by the animation scheduler

Bug: 193413770
Test: manual
Change-Id: I586ebf8456f71a86fdb13697d87dda135331888d

packages/SystemUI/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragment.java

@@ -202,6 +202,7 @@ public class CollapsedStatusBarFragment extends Fragment implements CommandQueue
     public void onDestroyView() {
         super.onDestroyView();
         mStatusBarIconController.removeIconGroup(mDarkIconManager);
+        mAnimationScheduler.removeCallback(this);
         if (mNetworkController.hasEmergencyCryptKeeperText()) {
             mNetworkController.removeCallback(mSignalCallback);
         }