Minor tweaks.

Change-Id: I9f82f574112141b6aa074c42303056cd52d5c478
diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp
index 923e394..c949817 100644
--- a/libs/gui/IGraphicBufferProducer.cpp
+++ b/libs/gui/IGraphicBufferProducer.cpp
@@ -182,7 +182,7 @@
     }
 };
 
-IMPLEMENT_META_INTERFACE(GraphicBufferProducer, "android.gui.SurfaceTexture");
+IMPLEMENT_META_INTERFACE(GraphicBufferProducer, "android.gui.IGraphicBufferProducer");
 
 // ----------------------------------------------------------------------