[asan] Further fix the test from r208333.

Remove a debug print and some copypasta.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208535 91177308-0d34-0410-b5e6-96231b3b80d8
[tsan] force tls_model='initial-exec' for tsan's cur_thread_placeholder so that we don't depend on the compiler flags

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@208536 91177308-0d34-0410-b5e6-96231b3b80d8