Update test for enabling ICP for AutoFDO.

Summary: This is the test update patch for https://reviews.llvm.org/D34662

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: cfe-commits, sanjoy, mehdi_amini, eraman, llvm-commits

Differential Revision: https://reviews.llvm.org/D34663

llvm-svn: 306430