There seems to be no sane reason for a test case to enable logging every time it runs.. probably leftover from when I was debugging it

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@216502 91177308-0d34-0410-b5e6-96231b3b80d8
Clean up after the multithreaded test case finishes.

Patch by Sean Callanan.
<rdar://problem/18140875> 


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@216504 91177308-0d34-0410-b5e6-96231b3b80d8