changed __global__ attribute

1. Moved around tests and added them to HIT

Change-Id: I5d75280c42a5af852670ebabc7305ee56721ec7b

tests/src/Negative/Device/hipGetDeviceCount.cpp

@@ -0,0 +1,10 @@
+#include "hip/hip_runtime.h"
+#include "hip/hip_runtime_api.h"
+#include"hipDeviceUtil.h"
+
+int main()
+{
+    int deviceCnt;
+    HIP_CHECK(hipGetDeviceCount(&deviceCnt), hipGetDeviceCount);
+    HIP_CHECK(hipGetDeviceCount(0), hipGetDeviceCount);
+}