media: Add connection types for Proxy devices

Set connection for virtual device proxy.
Bug: 307840657
Test: bootup device with AIDL hal with AFE proxy port in apm xml

Change-Id: I696b58f7c97c56b6ebc9156624455217442097ff
diff --git a/media/audioaidlconversion/AidlConversionCppNdk.cpp b/media/audioaidlconversion/AidlConversionCppNdk.cpp
index 5558259..947352f 100644
--- a/media/audioaidlconversion/AidlConversionCppNdk.cpp
+++ b/media/audioaidlconversion/AidlConversionCppNdk.cpp
@@ -565,7 +565,8 @@
                 AudioDeviceType::IN_DEVICE, AudioDeviceType::OUT_DEVICE);
         append_AudioDeviceDescription(pairs,
                 AUDIO_DEVICE_IN_PROXY, AUDIO_DEVICE_OUT_PROXY,
-                AudioDeviceType::IN_AFE_PROXY, AudioDeviceType::OUT_AFE_PROXY);
+                AudioDeviceType::IN_AFE_PROXY, AudioDeviceType::OUT_AFE_PROXY,
+                GET_DEVICE_DESC_CONNECTION(VIRTUAL));
         append_AudioDeviceDescription(pairs,
                 AUDIO_DEVICE_IN_USB_HEADSET, AUDIO_DEVICE_OUT_USB_HEADSET,
                 AudioDeviceType::IN_HEADSET, AudioDeviceType::OUT_HEADSET,