Test Driver Unlimited Solar Crown depends on that (both calling ProcessTlsInformation and hotpatches the same to fixup the thread local storage allocation from ntdll).
-- v2: ntdll: Match memory allocation layout for ThreadLocalStoragePointer. ntdll: Use NtSetInformationProcess( ProcessTlsInformation ) in alloc_tls_slot(). ntdll: Implement NtSetInformationProcess( ProcessTlsInformation ). ntdll/tests: Add tests for NtSetInformationProcess( ProcessTlsInformation ).