Merge "Don't applyState if taskbar is already destroyed" into tm-qpr-dev

quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java

@@ -547,6 +547,10 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
         }
     }
 
+    public boolean isDestroyed() {
+        return mIsDestroyed;
+    }
+
     public void updateSysuiStateFlags(int systemUiStateFlags, boolean fromInit) {
         mControllers.navbarButtonsViewController.updateStateForSysuiFlags(systemUiStateFlags,
                 fromInit);

quickstep/src/com/android/launcher3/taskbar/TaskbarLauncherStateController.java

@@ -249,6 +249,9 @@ import java.util.StringJoiner;
     }
 
     public Animator applyState(long duration, boolean start) {
+        if (mControllers.taskbarActivityContext.isDestroyed()) {
+            return null;
+        }
         Animator animator = null;
         if (mPrevState == null || mPrevState != mState) {
             // If this is our initial state, treat all flags as changed.