Updated notification colors

    <color name="notification_legacy_background_color">#ff1a1a1a</color>

    <!-- The color of the material notification background -->

    <color name="notification_material_background_color">#fffafafa</color>

    <color name="notification_material_background_color">#ffffffff</color>

    <!-- The color of the material notification background when dimmed -->

    <color name="notification_material_background_dimmed_color">#d4ffffff</color>

    <color name="notification_material_background_dimmed_color">#f2ffffff</color>

    <!-- The color of the material notification background when low priority -->

    <color name="notification_material_background_low_priority_color">#ffe0e0e0</color>

    <color name="notification_material_background_low_priority_color">#fff5f5f5</color>

    <!-- The color of the material notification background for media notifications when no custom

         color is specified -->