Increase char limit for string.

    <!-- Button text for the edit menu in input method extract mode. [CHAR LIMIT=16] -->

    <string name="extract_edit_menu_button">Edit</string>

    <!-- Notification title when data usage has exceeded warning threshold. [CHAR LIMIT=32] -->

    <!-- Notification title when data usage has exceeded warning threshold. [CHAR LIMIT=50] -->

    <string name="data_usage_warning_title">Data usage alert</string>

    <!-- Notification body when data usage has exceeded warning threshold. [CHAR LIMIT=32] -->

    <string name="data_usage_warning_body">Tap to view usage and settings.</string>