Improve low bandwidth audio performance and fix RTSP issues with broken PMTUD

app/src/main/java/com/limelight/binding/audio/AndroidAudioRenderer.java

@@ -170,14 +170,14 @@ public class AndroidAudioRenderer implements AudioRenderer {
     @Override
     public void playDecodedAudio(short[] audioData) {
         // Only queue up to 40 ms of pending audio data in addition to what AudioTrack is buffering for us.
-        if (MoonBridge.getPendingAudioFrames() < 8) {
+        if (MoonBridge.getPendingAudioDuration() < 40) {
             // This will block until the write is completed. That can cause a backlog
             // of pending audio data, so we do the above check to be able to bound
             // latency at 40 ms in that situation.
             track.write(audioData, 0, audioData.length);
         }
         else {
-            LimeLog.info("Too many pending audio frames: " + MoonBridge.getPendingAudioFrames());
+            LimeLog.info("Too much pending audio data: " + MoonBridge.getPendingAudioDuration() +" ms");
         }
     }