feat(YouTube - Spoof client): Allow forcing AVC codec with iOS

Author: inotia00

src/main/resources/youtube/settings/xml/revanced_prefs.xml

@@ -608,6 +608,7 @@
 		<!-- SETTINGS: SPOOF_CLIENT
 		<PreferenceScreen android:title="@string/revanced_preference_screen_spoof_client_title" android:key="revanced_preference_screen_spoof_client" android:summary="@string/revanced_preference_screen_spoof_client_summary">
 			<SwitchPreference android:title="@string/revanced_spoof_client_title" android:key="revanced_spoof_client" android:summaryOn="@string/revanced_spoof_client_summary_on" android:summaryOff="@string/revanced_spoof_client_summary_off" />
+			<SwitchPreference android:title="@string/revanced_spoof_client_ios_force_avc_title" android:key="revanced_spoof_client_ios_force_avc" android:summaryOn="@string/revanced_spoof_client_ios_force_avc_summary_on" android:summaryOff="@string/revanced_spoof_client_ios_force_avc_summary_off" />
 			<SwitchPreference android:title="@string/revanced_spoof_client_stats_for_nerds_title" android:key="revanced_spoof_client_stats_for_nerds" android:summaryOn="@string/revanced_spoof_client_stats_for_nerds_summary_on" android:summaryOff="@string/revanced_spoof_client_stats_for_nerds_summary_off" />
 
 			<PreferenceCategory android:title="@string/revanced_preference_category_spoof_client_options" android:layout="@layout/revanced_settings_preferences_category" />