Add string for auto queue toggle

app/src/main/res/values/strings.xml

@@ -85,6 +85,7 @@
     <string name="metadata_cache_wipe_complete_notice">Metadata cache wiped</string>
     <string name="auto_queue_title">Auto-queue next stream</string>
     <string name="auto_queue_summary">Continue ending (non-repeating) playback queue by appending a related stream</string>
+    <string name="auto_queue_toggle">Auto-queue</string>
     <string name="volume_gesture_control_title">Volume gesture control</string>
     <string name="volume_gesture_control_summary">Use gestures to control player volume</string>
     <string name="brightness_gesture_control_title">Brightness gesture control</string>