[Android]fix custom audio capture bug.

Author: xgfd3

Android/APIExample-Audio/app/src/main/java/io/agora/api/example/examples/advanced/customaudio/CustomAudioSource.java

@@ -230,7 +230,7 @@ public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
                 option.publishCustomAudioTrack = false;
             }
             engine.updateChannelMediaOptions(option);
-            engine.enableCustomAudioLocalPlayback(0, true);
+            engine.enableCustomAudioLocalPlayback(0, b);
         }
     }
 

Android/APIExample-Audio/app/src/main/res/navigation/nav_graph.xml

@@ -59,7 +59,7 @@
     <fragment
         android:id="@+id/CustomAudioRecord"
         android:name="io.agora.api.example.examples.advanced.customaudio.CustomAudioSource"
-        android:label="@string/item_quickswitck"
+        android:label="@string/item_customaudiosource"
         tools:layout="@layout/fragment_custom_audio_source" />
     <fragment
         android:id="@+id/CustomAudioRender"