am d720dedb: Merge "Clear the previous states before setting the new app visibility"

                    wtoken.hiddenRequested, HIDE_STACK_CRAWLS ?

                            null : new RuntimeException("here").fillInStackTrace());

            mOpeningApps.remove(wtoken);

            mClosingApps.remove(wtoken);

            wtoken.waitingToShow = wtoken.waitingToHide = false;

            wtoken.hiddenRequested = !visible;

            // If we are preparing an app transition, then delay changing

            // the visibility of this token until we execute that transition.

            if (okToDisplay() && mAppTransition.isTransitionSet()) {

                wtoken.hiddenRequested = !visible;

                if (!wtoken.startingDisplayed) {

                    if (DEBUG_APP_TRANSITIONS) Slog.v(

                            TAG, "Setting dummy animation on: " + wtoken);

                    wtoken.mAppAnimator.setDummyAnimation();

                }

                mOpeningApps.remove(wtoken);

                mClosingApps.remove(wtoken);

                wtoken.waitingToShow = wtoken.waitingToHide = false;

                wtoken.inPendingTransaction = true;

                if (visible) {

                    mOpeningApps.add(wtoken);