replace getISurfaceTexture by getIGraphicBufferProducer

Change-Id: I723a3863558126f2635a544a39bb3ec88d499c60
diff --git a/services/camera/libcameraservice/CameraClient.cpp b/services/camera/libcameraservice/CameraClient.cpp
index 5f03a1c..f67c9f4 100644
--- a/services/camera/libcameraservice/CameraClient.cpp
+++ b/services/camera/libcameraservice/CameraClient.cpp
@@ -301,7 +301,7 @@
 status_t CameraClient::setPreviewDisplay(const sp<Surface>& surface) {
     LOG1("setPreviewDisplay(%p) (pid %d)", surface.get(), getCallingPid());
 
-    sp<IBinder> binder(surface != 0 ? surface->getISurfaceTexture()->asBinder() : 0);
+    sp<IBinder> binder(surface != 0 ? surface->getIGraphicBufferProducer()->asBinder() : 0);
     sp<ANativeWindow> window(surface);
     return setPreviewWindow(binder, window);
 }