Those functions used the background context.
When wslservice.exe hangs/crashes, wsl.exe commands might hang for very long.
We're setting some generous timeouts to couple with a variety of hardware.
In the happy paths, 1/100th to 1/10th of those timeouts should be enough.

Minimum of 5s, with 10s for Shutdown which
seems to do more work.

Until we have a definite reason to expose it.