Android: Move YuvConverter to its own file

webrtc/api/android/java/src/org/webrtc/VideoFileRenderer.java

Index: webrtc/api/android/java/src/org/webrtc/VideoFileRenderer.java
diff --git a/webrtc/api/android/java/src/org/webrtc/VideoFileRenderer.java b/webrtc/api/android/java/src/org/webrtc/VideoFileRenderer.java
index cbe3f924919c13a7aab6b03878cc4e9874a11590..b76d1900b5ee8c901fb1cbdd763a11901f0d8a88 100644
--- a/webrtc/api/android/java/src/org/webrtc/VideoFileRenderer.java
+++ b/webrtc/api/android/java/src/org/webrtc/VideoFileRenderer.java
@@ -23,7 +23,7 @@ import java.util.concurrent.CountDownLatch;
 public class VideoFileRenderer implements VideoRenderer.Callbacks {
   private static final String TAG = "VideoFileRenderer";
 
-  private final SurfaceTextureHelper.YuvConverter yuvConverter;
+  private final YuvConverter yuvConverter;
   private final HandlerThread renderThread;
   private final Object handlerLock = new Object();
   private final Handler renderThreadHandler;
@@ -38,7 +38,7 @@ public class VideoFileRenderer implements VideoRenderer.Callbacks {
     if ((outputFileWidth % 2) == 1 || (outputFileHeight % 2) == 1) {
       throw new IllegalArgumentException("Does not support uneven width or height");
     }
-    yuvConverter = new SurfaceTextureHelper.YuvConverter(sharedContext);
+    yuvConverter = new YuvConverter(sharedContext);
 
     this.outputFileWidth = outputFileWidth;
     this.outputFileHeight = outputFileHeight;