Merge "Turn on extcon event observing"

    /** Does the {@link /sys/class/extcon} directory exist */

    public static boolean extconExists() {

        File extconDir = new File("/sys/class/extcon");

        boolean retVal = extconDir.exists() && extconDir.isDirectory();

        // TODO(b/124364409): return the correct value after selinux policy is updated.

        if (retVal) {

            Slog.w(TAG, extconDir + " exists " + extconDir.exists() + " isDir "

                    + extconDir.isDirectory()

                    + " but reporting it does not exist until selinux policies are updated."

                    + " see b/124364409"

            );

        }

        return false;

        return extconDir.exists() && extconDir.isDirectory();

    }

}