Allow TalkBack to read sectional headings on Widgets screen.

        android:ellipsize="end"

        android:focusable="true"

        android:gravity="start|center_vertical"

        android:importantForAccessibility="no"

        android:paddingBottom="@dimen/widget_section_vertical_padding"

        android:paddingLeft="@dimen/widget_section_horizontal_padding"

        android:paddingRight="@dimen/widget_section_horizontal_padding"