am 89186622: Merge "Sanitise Bluetooth file name hint when receiving a contact"

            // Prevent abuse of path backslashes by converting all backlashes '\\' chars

            // to UNIX-style forward-slashes '/'

            hint = hint.replace('\\', '/');

            // Convert all whitespace characters to spaces.

            hint = hint.replaceAll("\\s", " ");

            // Replace illegal fat filesystem characters from the

            // filename hint i.e. :"<>*?| with something safe.

            hint = hint.replaceAll("[:\"<>*?|]", "_");

            if (V) Log.v(Constants.TAG, "getting filename from hint");

            int index = hint.lastIndexOf('/') + 1;

            if (index > 0) {