feat: fix livestreaming bug

Author: weileifrank

Android/APIExample/app/src/main/java/io/agora/api/example/examples/advanced/LiveStreaming.java

@@ -556,7 +556,7 @@ private void joinChannel(String channelId) {
 
             ChannelMediaOptions option = new ChannelMediaOptions();
             option.channelProfile = Constants.CHANNEL_PROFILE_LIVE_BROADCASTING;
-            option.clientRoleType = Constants.CLIENT_ROLE_BROADCASTER;
+            option.clientRoleType = CLIENT_ROLE_AUDIENCE;
             option.autoSubscribeAudio = true;
             option.autoSubscribeVideo = true;
             int res;

Android/APIExample/app/src/main/java/io/agora/api/example/examples/basic/JoinChannelAudio.java

@@ -492,16 +492,16 @@ public void onTokenGen(String token) {
                 } else {
                     LocalAudioMixerConfiguration config = new LocalAudioMixerConfiguration();
                     config.syncWithLocalMic = false;
-                    config.mixedAudioStreams.clear();
+                    config.audioInputStreams.clear();
                     LocalAudioMixerConfiguration.MixedAudioStream remoteStream = new LocalAudioMixerConfiguration.MixedAudioStream();
                     remoteStream.sourceType = AUDIO_SOURCE_REMOTE_CHANNEL;
                     remoteStream.channelId = channelId;
-                    config.mixedAudioStreams.add(remoteStream);
+                    config.audioInputStreams.add(remoteStream);
 
                     LocalAudioMixerConfiguration.MixedAudioStream remoteStream2 = new LocalAudioMixerConfiguration.MixedAudioStream();
                     remoteStream2.sourceType = AUDIO_SOURCE_MICROPHONE;
                     remoteStream2.channelId = channelId;
-                    config.mixedAudioStreams.add(remoteStream2);
+                    config.audioInputStreams.add(remoteStream2);
                     engine.startLocalAudioMixer(config);
                 }
             }