Fix the bogus configs default-constructed as a2dp configs

When the xml file contains the "invalid" entry in the scenario record,
which do not refer to any valid config in the 'configurationList`
section, the invalid, default constructed codec configuration (a2dp codec)
was created.

Bug: 319090769
Test: atest VtsHalBluetoothAudioTargetTest
Change-Id: I19b7d1af81e5f2be3fb7261fba8781b3dc47fa12
diff --git a/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp b/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
index bdcfbd7..5fd96ca 100644
--- a/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
+++ b/bluetooth/audio/aidl/vts/VtsHalBluetoothAudioTargetTest.cpp
@@ -736,8 +736,7 @@
       ASSERT_NE(codec_info.id.getTag(), CodecId::a2dp);
       // The codec info must contain the information
       // for le audio transport.
-      // ASSERT_EQ(codec_info.transport.getTag(),
-      // CodecInfo::Transport::le_audio);
+      ASSERT_EQ(codec_info.transport.getTag(), CodecInfo::Transport::leAudio);
     }
   }
 }