Add framelistener functionality to SurfaceViewRenderer.

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

Index: webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
diff --git a/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java b/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
index 5e74e0e4bdbcc228815f2bb8f17e0fa124b52e4e..154b6ad75dbfc8e5c45f053acfe3e993a6676439 100644
--- a/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
+++ b/webrtc/api/android/java/src/org/webrtc/SurfaceViewRenderer.java
@@ -108,6 +108,14 @@ public class SurfaceViewRenderer
     eglRenderer.release();
   }
 
+  public void addFrameListener(EglRenderer.FrameListener listener, float scale) {
+    eglRenderer.addFrameListener(listener, scale);
+  }
+
+  public void removeFrameListener(EglRenderer.FrameListener listener) {
+    eglRenderer.removeFrameListener(listener);
+  }
+
   /**
    * Enables fixed size for the surface. This provides better performance but might be buggy on some
    * devices. By default this is turned off.