Increase char limit for blur dev option string

    <!-- UI debug setting: force right to left layout summary [CHAR LIMIT=100] -->

    <string name="force_rtl_layout_all_locales_summary">Force screen layout direction to RTL for all locales</string>

    <!-- UI debug setting: enable or disable window blurs [CHAR LIMIT=25] -->

    <!-- UI debug setting: enable or disable window blurs [CHAR LIMIT=50] -->

    <string name="window_blurs">Allow window-level blurs</string>

    <!-- UI debug setting: force anti-aliasing to render apps [CHAR LIMIT=25] -->