add tests for clGetSVMPointerInfoKHR with a non-USVM pointer (#2280)

Note, this PR is setup to merge to the `cl_khr_unified_svm` branch.

Querying a non-USVM pointer should return default values and should not
return an error. This is the next item on the `cl_khr_unified_svm` test
plan.

test_conformance/SVM/CMakeLists.txt

@@ -19,6 +19,7 @@ set(${MODULE_NAME}_SOURCES
     test_unified_svm_consistency.cpp
     test_unified_svm_capabilities.cpp
     test_unified_svm_apis.cpp
+    test_unified_svm_api_query_defaults.cpp
 )
 
 set_gnulike_module_compile_flags("-Wno-sometimes-uninitialized -Wno-sign-compare")