Update string description and char limits

    <string name="data_usage_3g_limit_title">2G-3G data limit reached</string>

    <!-- Notification title when 4G data usage has exceeded limit threshold, and has been disabled. [CHAR LIMIT=32] -->

    <string name="data_usage_4g_limit_title">4G data limit reached</string>

    <!-- Notification title when mobile data usage has exceeded limit threshold, and has been disabled. [CHAR LIMIT=32] -->

    <!-- Notification title when mobile data usage has exceeded limit threshold, and has been disabled. [CHAR LIMIT=50] -->

    <string name="data_usage_mobile_limit_title">Mobile data limit reached</string>

    <!-- Notification title when Wi-Fi data usage has exceeded limit threshold, and has been disabled. [CHAR LIMIT=32] -->

    <string name="data_usage_wifi_limit_title">Wi-Fi data limit reached</string>

    <string name="wifi_display_certification">Wireless display certification</string>

    <!-- Setting Checkbox title whether to enable WiFi Verbose Logging. [CHAR LIMIT=40] -->

    <string name="wifi_verbose_logging">Enable Wi\u2011Fi Verbose Logging</string>

    <!-- Setting Checkbox title whether to enable WiFi Aggressive Handover. [CHAR LIMIT=40] -->

    <!-- Setting Checkbox title whether to enable WiFi Aggressive Handover (more actively switch from wifi to mobile data). [CHAR LIMIT=40] -->

    <string name="wifi_aggressive_handover">Aggressive Wi\u2011Fi to mobile handover</string>

    <!-- Setting Checkbox title whether to enable WiFi Scanning in the presence of traffic. [CHAR LIMIT=80] -->

    <string name="wifi_allow_scan_with_traffic">Always allow Wi\u2011Fi Roam Scans</string>