changed __global__ attribute

1. Moved around tests and added them to HIT

Change-Id: I5d75280c42a5af852670ebabc7305ee56721ec7b

tests/src/kernel/hipTestConstant.cpp

@@ -17,6 +17,12 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
 
+/* HIT_START
+ * BUILD: %t %s ../test_common.cpp
+ * RUN: %t
+ * HIT_END
+ */
+
 #include<hip/hip_runtime.h>
 #include<hip/hip_runtime_api.h>
 #include<iostream>