Merge "Accessibility window changes not reported." into lmp-preview-dev

        try {

            IAccessibilityServiceConnection connection = getConnection(connectionId);

            if (connection != null) {

                List<AccessibilityWindowInfo> windows = sAccessibilityCache.getWindows();

                if (windows != null) {

                    if (DEBUG) {

                        Log.i(LOG_TAG, "Window cache hit");

                    }

                    return windows;

                }

                if (DEBUG) {

                    Log.i(LOG_TAG, "Window cache miss");

                }

                windows = connection.getWindows();

                // The system is just sending data for windows that we introspected

                // and changed but not ones that appeared, so we have to always call

                // into the system process. This is less expensice as opposed to

                // sending all windows on every window change.

                List<AccessibilityWindowInfo> windows = connection.getWindows();

                if (windows != null) {

                    final int windowCount = windows.size();

                    for (int i = 0; i < windowCount; i++) {