Rename ISurfaceTexture and SurfaceTexture

The C++ class names don't match what the classes do, so rename
ISurfaceTexture to IGraphicBufferProducer, and SurfaceTexture to
GLConsumer.

Bug 7736700

Change-Id: I64520a55f8c09fe6215382ea361c539a9940cba5
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index fd648df..afb6780 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -307,7 +307,7 @@
         // IMediaPlayer interface
         virtual void            disconnect();
         virtual status_t        setVideoSurfaceTexture(
-                                        const sp<ISurfaceTexture>& surfaceTexture);
+                                        const sp<IGraphicBufferProducer>& bufferProducer);
         virtual status_t        prepareAsync();
         virtual status_t        start();
         virtual status_t        stop();