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/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
index d511cae..ec433fb 100644
--- a/opengl/tests/EGLTest/EGL_test.cpp
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -104,7 +104,7 @@
     // Create a EGLSurface
     sp<BufferQueue> bq = new BufferQueue();
     bq->consumerConnect(new DummyConsumer());
-    sp<SurfaceTextureClient> mSTC = new SurfaceTextureClient(static_cast<sp<ISurfaceTexture> >( bq));
+    sp<SurfaceTextureClient> mSTC = new SurfaceTextureClient(static_cast<sp<IGraphicBufferProducer> >( bq));
     sp<ANativeWindow> mANW = mSTC;
 
     EGLSurface eglSurface = eglCreateWindowSurface(mEglDisplay, config,