Merge "fix(magnification): catch the unregister failing exception to prevent...

     * BroadcastReceiver used to cancel the magnification shortcut when the screen turns off

     */

    private static class ScreenStateReceiver extends BroadcastReceiver {

        private static final String TAG = ScreenStateReceiver.class.getName();

        private final Context mContext;

        private final FullScreenMagnificationGestureHandler mGestureHandler;

        }

        public void unregister() {

            try {

                mContext.unregisterReceiver(this);

            } catch (IllegalArgumentException exception) {

                // b/399282180: the unregister happens when the handler is destroyed (cleanup). The

                // cleanup process should not cause the system crash, also the failure of unregister

                // will not affect the user experience since it's for the destroyed handler.

                // Therefore, we use try-catch here, to catch the exception to prevent crash, and

                // log the exception for future investigations.

                Slog.e(TAG, "Failed to unregister receiver: " + exception);

            }

        }

        @Override