Fallback to chunkful preparation if CODECS does not contain audio

Issue: google/ExoPlayer#10065

#minor-release

PiperOrigin-RevId: 438281023

library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaPeriod.java

@@ -644,7 +644,8 @@ public final class HlsMediaPeriod
     int numberOfVideoCodecs = Util.getCodecCountOfType(codecs, C.TRACK_TYPE_VIDEO);
     int numberOfAudioCodecs = Util.getCodecCountOfType(codecs, C.TRACK_TYPE_AUDIO);
     boolean codecsStringAllowsChunklessPreparation =
-        numberOfAudioCodecs <= 1
+        (numberOfAudioCodecs == 1
+                || (numberOfAudioCodecs == 0 && multivariantPlaylist.audios.isEmpty()))
             && numberOfVideoCodecs <= 1
             && numberOfAudioCodecs + numberOfVideoCodecs > 0;
     @C.TrackType