Disable failing directed tests

- hipTestDeviceSymbol
- hipTestConstant
- hipTestMallocKernel

Change-Id: Ibfe9fc0b8a59882f1de64b42e18777a7bd56ee97

tests/src/kernel/hipTestMallocKernel.cpp

@@ -18,7 +18,7 @@ THE SOFTWARE.
 */
 
 /* HIT_START
- * BUILD: %t %s ../test_common.cpp
+ * BUILD: %t %s ../test_common.cpp EXCLUDE_HIP_PLATFORM all
  * RUN: %t
  * HIT_END
  */