Merge "Null out Activity in split controller" into udc-qpr-dev

quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java

@@ -471,6 +471,10 @@ public class QuickstepLauncher extends Launcher {
             mDesktopVisibilityController.unregisterSystemUiListener();
         }
 
+        if (mSplitSelectStateController != null) {
+            mSplitSelectStateController.onDestroy();
+        }
+
         super.onDestroy();
         mHotseatPredictionController.destroy();
         mSplitWithKeyboardShortcutController.onDestroy();

quickstep/src/com/android/quickstep/RecentsActivity.java

@@ -393,7 +393,7 @@ public final class RecentsActivity extends StatefulActivity<RecentsState> {
         super.onDestroy();
         ACTIVITY_TRACKER.onActivityDestroyed(this);
         mActivityLaunchAnimationRunner = null;
-
+        mSplitSelectStateController.onDestroy();
         mTISBindHelper.onDestroy();
     }
 

quickstep/src/com/android/quickstep/util/SplitSelectStateController.java

@@ -113,7 +113,7 @@ import java.util.function.Consumer;
 public class SplitSelectStateController {
     private static final String TAG = "SplitSelectStateCtor";
 
-    private final Context mContext;
+    private Context mContext;
     private final Handler mHandler;
     private final RecentsModel mRecentTasksModel;
     private final SplitAnimationController mSplitAnimationController;
@@ -157,6 +157,10 @@ public class SplitSelectStateController {
         mSplitSelectDataHolder = new SplitSelectDataHolder(mContext);
     }
 
+    public void onDestroy() {
+        mContext = null;
+    }
+
     /**
      * @param alreadyRunningTask if set to {@link android.app.ActivityTaskManager#INVALID_TASK_ID}
      *                           then @param intent will be used to launch the initial task