[CTS] Fix virtual mem enqueue test

`urKernelSetArgPointer` doesn't take the argument pointer directly, it
takes a pointer to the argument pointer.

This fixes a crash in the CTS on CUDA.

Author: npmiller

test/conformance/enqueue/enqueue_adapter_cuda.match

@@ -55,4 +55,3 @@ urEnqueueKernelLaunchKernelSubGroupTest.Success/NVIDIA_CUDA_BACKEND___{{.*}}_
 {{OPT}}urEnqueueUSMMemcpy2DNegativeTest.InvalidEventWaitList/NVIDIA_CUDA_BACKEND___{{.*}}___pitch__1__width__1__height__1
 {{OPT}}urEnqueueUSMPrefetchWithParamTest.Success/NVIDIA_CUDA_BACKEND___{{.*}}___UR_USM_MIGRATION_FLAG_DEFAULT
 {{OPT}}urEnqueueUSMPrefetchWithParamTest.CheckWaitEvent/NVIDIA_CUDA_BACKEND___{{.*}}___UR_USM_MIGRATION_FLAG_DEFAULT
-{{OPT}}{{Segmentation fault|Aborted}}

test/conformance/enqueue/urEnqueueKernelLaunch.cpp

@@ -364,7 +364,7 @@ TEST_P(urEnqueueKernelLaunchWithVirtualMemory, Success) {
     size_t global_size = alloc_size / sizeof(uint32_t);
     uint32_t fill_val = 42;
 
-    ASSERT_SUCCESS(urKernelSetArgPointer(kernel, 0, nullptr, virtual_ptr));
+    ASSERT_SUCCESS(urKernelSetArgPointer(kernel, 0, nullptr, &virtual_ptr));
     ASSERT_SUCCESS(
         urKernelSetArgValue(kernel, 1, sizeof(fill_val), nullptr, &fill_val));