fix libgui header location

Change-Id: Iec71706cdd4f29c6904993648ce873e83ef9cafe
diff --git a/camera/ICamera.cpp b/camera/ICamera.cpp
index 70f5dbc..8d8408c 100644
--- a/camera/ICamera.cpp
+++ b/camera/ICamera.cpp
@@ -22,6 +22,8 @@
 #include <sys/types.h>
 #include <binder/Parcel.h>
 #include <camera/ICamera.h>
+#include <gui/ISurfaceTexture.h>
+#include <gui/Surface.h>
 
 namespace android {