Clear mOnInitialBindListener in Launcher#onDestroy()

        TextKeyListener.getInstance().release();

        clearPendingBinds();

        LauncherAppState.getIDP(this).removeOnChangeListener(this);

        // if Launcher activity is recreated, {@link Window} including {@link ViewTreeObserver}

        // could be preserved in {@link ActivityThread#scheduleRelaunchActivity(IBinder)} if the

        // previous activity has not stopped, which could happen when wallpaper detects a color

        // changes while launcher is still loading.

        getRootView().getViewTreeObserver().removeOnPreDrawListener(mOnInitialBindListener);

        mOverlayManager.onActivityDestroyed();

    }