Merge "Add null check before hiding ime" into main

    /** Hides the IME for Bubbles when the device is locked. */

    public void hideImeForBubblesWhenLocked(int displayId) {

        PerDisplay pd = mImePerDisplay.get(displayId);

        pd.setImeInputTargetRequestedVisibility(false, pd.getImeSourceControl().getImeStatsToken());

        InsetsSourceControl imeSourceControl = pd.getImeSourceControl();

        if (imeSourceControl != null) {

            ImeTracker.Token imeStatsToken = imeSourceControl.getImeStatsToken();

            if (imeStatsToken != null) {

                pd.setImeInputTargetRequestedVisibility(false, imeStatsToken);

            }

        }

    }

    /** An implementation of {@link IDisplayWindowInsetsController} for a given display id. */