Camera: modify test per framework interface change

Wrap camera_module_t by CameraModule to follow
framework interface change.

Change-Id: Ief423a1571cf06c7ef80b98b403a33969baf95f6
diff --git a/tests/camera2/camera2_utils.cpp b/tests/camera2/camera2_utils.cpp
index 9cc6c90..930b909 100644
--- a/tests/camera2/camera2_utils.cpp
+++ b/tests/camera2/camera2_utils.cpp
@@ -580,7 +580,7 @@
     mCondition.signal();
 }
 
-int HWModuleHelpers::closeModule(hw_module_t* module) {
+int HWModuleHelpers::closeModule(const hw_module_t* module) {
     int status;
 
     if (!module) {