[4/6] ntdll: Implement IsProcessInJob

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=12555

Your paranoid android.


=== w7u (32 bit process) ===
process.c:2274: Test failed: WaitForSingleObject returned 258
process.c:2278: Test failed: AssignProcessToJobObject unexpectedly succeeded
process.c:2279: Test failed: Expected GetLastError() to be 5 (ERROR_ACCESS_DENIED) is -559038737