Merge "Use IMM.hideSoftInputFromWindow to close the window" into sc-dev

            WindowInsets rootInsets = root.getRootWindowInsets();

            boolean isImeShown = rootInsets != null && rootInsets.isVisible(

                    WindowInsets.Type.ime());

            if (isImeShown) {

                // this call is already asynchronous

                root.getWindowInsetsController().hide(WindowInsets.Type.ime());

            }

            if (!isImeShown) {

                return;

            }

        }

        Message.obtain(HANDLER.get(root.getContext()),

                MSG_HIDE_KEYBOARD, token).sendToTarget();