Merge "docs: fixing a couple of typos" into pi-dev

        row is full. The rowCount attribute may be used similarly in the vertical case.

        The default is horizontal. -->

        <attr name="orientation" />

        <!-- The maxmimum number of rows to create when automatically positioning children. -->

        <!-- The maximum number of rows to create when automatically positioning children. -->

        <attr name="rowCount" format="integer" />

        <!-- The maxmimum number of columns to create when automatically positioning children. -->

        <!-- The maximum number of columns to create when automatically positioning children. -->

        <attr name="columnCount" format="integer" />

        <!-- When set to true, tells GridLayout to use default margins when none are specified

        in a view's layout parameters.