[ThinLTO] Ensure sanitizer passes are run

Summary:
Test fix to pass manager for ThinLTO.

Depends on D39565.

Reviewers: pcc

Subscribers: kubamracek, mehdi_amini, llvm-commits, inglorion

Differential Revision: https://reviews.llvm.org/D39566

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@317715 91177308-0d34-0410-b5e6-96231b3b80d8