Fix the ckh unit test.
Fix the ckh unit test.

I've contacted the upstream maintainer to get this fixed there. I will
revert this change and pull the upstream when it is submitted.

Change-Id: I99c1145de275a00a337ad94c02d201d978bba2ea

AndroidExternal/jemalloc,AndroidExternal/jemalloc,AndroidExternal/jemalloc,AndroidExternal/jemalloc