Merge "Update referenced constant names for Directions"

     * text within the layout of a line.

     */

    public static class Directions {

        // Directions represents directional runs within a line of text.

        // Runs are pairs of ints listed in visual order, starting from the

        // leading margin.  The first int of each pair is the offset from

        // the first character of the line to the start of the run.  The

        // second int represents both the length and level of the run.

        // The length is in the lower bits, accessed by masking with

        // DIR_LENGTH_MASK.  The level is in the higher bits, accessed

        // by shifting by DIR_LEVEL_SHIFT and masking by DIR_LEVEL_MASK.

        // To simply test for an RTL direction, test the bit using

        // DIR_RTL_FLAG, if set then the direction is rtl.

        /**

         * Directions represents directional runs within a line of text. Runs are pairs of ints

         * listed in visual order, starting from the leading margin.  The first int of each pair is

         * the offset from the first character of the line to the start of the run.  The second int

         * represents both the length and level of the run. The length is in the lower bits,

         * accessed by masking with RUN_LENGTH_MASK.  The level is in the higher bits, accessed by

         * shifting by RUN_LEVEL_SHIFT and masking by RUN_LEVEL_MASK. To simply test for an RTL

         * direction, test the bit using RUN_RTL_FLAG, if set then the direction is rtl.

         * @hide

         */

        @VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)