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: Ia03e468888025b5cae3c0ee1995434515dbea387
diff --git a/include/gui/DummyConsumer.h b/include/gui/DummyConsumer.h
index 7fe4d40..08e8ec8 100644
--- a/include/gui/DummyConsumer.h
+++ b/include/gui/DummyConsumer.h
@@ -24,7 +24,7 @@
 
 
 // The DummyConsumer does not keep a reference to BufferQueue
-// unlike SurfaceTexture.  This prevents a circular reference from
+// unlike GLConsumer.  This prevents a circular reference from
 // forming without having to use a ProxyConsumerListener
 class DummyConsumer : public BufferQueue::ConsumerListener {
 public:
@@ -33,7 +33,7 @@
 protected:
 
     // Implementation of the BufferQueue::ConsumerListener interface.  These
-    // calls are used to notify the SurfaceTexture of asynchronous events in the
+    // calls are used to notify the GLConsumer of asynchronous events in the
     // BufferQueue.
     virtual void onFrameAvailable();
     virtual void onBuffersReleased();