Increase char limit for webview multiprocess setting string

    <!-- Services settings screen, setting option summary for the user to go to the screen to view running services  -->

    <string name="runningservices_settings_summary">View and control currently running services</string>

    <!-- Developer settings: enable WebView multiprocess name [CHAR LIMIT=30] -->

    <!-- Developer settings: enable WebView multiprocess name [CHAR LIMIT=50] -->

    <string name="enable_webview_multiprocess">Enable multiprocess WebView</string>

    <!-- Developer settings: enable WebView multiprocess summary [CHAR LIMIT=60] -->

    <string name="enable_webview_multiprocess_desc">Run WebView renderers in an isolated process.</string>