Camera: remove libgui dependency

Test: camera.msm8994 compiles
Bug: 36135110
Change-Id: I33be0a58f423dedd98f987cb790eb9f5e5122601
diff --git a/camera/QCamera2/HAL/QCamera2HWI.cpp b/camera/QCamera2/HAL/QCamera2HWI.cpp
index 916a3d7..8a4e8e2 100644
--- a/camera/QCamera2/HAL/QCamera2HWI.cpp
+++ b/camera/QCamera2/HAL/QCamera2HWI.cpp
@@ -38,7 +38,6 @@
 #include <utils/Errors.h>
 #include <utils/Trace.h>
 #include <gralloc_priv.h>
-#include <gui/Surface.h>
 
 #include "QCamera2HWI.h"
 #include "QCameraMem.h"