Add UNDEMOTE_METHOD to ContactsContract

        public static final Uri UPDATE_URI = Uri.withAppendedPath(AUTHORITY_URI,

                "pinned_position_update");

        /**

         * <p>

         * The method to invoke in order to undemote a formerly demoted contact. The contact id of

         * the contact must be provided as an argument. If the contact was not previously demoted,

         * nothing will be done.

         * </p>

         *

         * <p>

         * Example:

         * <pre>

         * final long contactId = 10;

         * resolver.call(ContactsContract.AUTHORITY_URI, PinnedPositions.UNDEMOTE_METHOD,

         *         String.valueOf(contactId), null);

         * </pre>

         *

         * </p>

         */

        public static final String UNDEMOTE_METHOD = "undemote";

        /**

         * Default value for the pinned position of an unpinned contact. Also equal to

         * {@link Integer#MAX_VALUE}.