Ensure nvbench initializes nvml context when built statically

[robertmaynard]

Description

Port NVIDIA/nvbench#148 to cudf so that nvbench benchmarks work now that we always use a static version of nvbench.

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.

[bdice]

@robertmaynard Do you know why this nvbench we run in our CI tests doesn't seem to catch the problem?

cudf/ci/test_cpp.sh

Lines 37 to 41 in b446a6f

	if (( ${SUITEERROR} == 0 )); then
	# Run a small nvbench benchmark
	./STRINGS_NVBENCH --run-once --benchmark 0 --devices 0
	SUITEERROR=$?
	fi

[robertmaynard]

@robertmaynard Do you know why this nvbench we run in our CI tests doesn't seem to catch the problem?

cudf/ci/test_cpp.sh

Lines 37 to 41 in b446a6f

	if (( ${SUITEERROR} == 0 )); then
	# Run a small nvbench benchmark
	./STRINGS_NVBENCH --run-once --benchmark 0 --devices 0
	SUITEERROR=$?
	fi

I presume that our CI build env doesn't have nvml, so therefore nvbench doesn't enable the feature and we avoid the issue.

[robertmaynard]

/merge