Remove the remaining allocations in the AV paths

src/com/limelight/binding/video/AndroidCpuDecoderRenderer.java

@@ -159,6 +159,7 @@ public class AndroidCpuDecoderRenderer implements VideoDecoderRenderer {
 					du = depacketizer.pollNextDecodeUnit(); 
 					if (du != null) {
 						submitDecodeUnit(du);
+						depacketizer.freeDecodeUnit(du);
 					}
 					
 					long diff = nextFrameTime - System.currentTimeMillis();

src/com/limelight/binding/video/MediaCodecDecoderRenderer.java

@@ -177,6 +177,7 @@ public class MediaCodecDecoderRenderer implements VideoDecoderRenderer {
 					du = depacketizer.pollNextDecodeUnit();
 					if (du != null) {
 						submitDecodeUnit(du);
+						depacketizer.freeDecodeUnit(du);
 					}
 					
 					int outIndex = videoDecoder.dequeueOutputBuffer(info, 0);