[profile] Fix tests in compiler-rt for patch in gcov (https://reviews.llvm.org/D49659)

Summary: Some tests are broken if patch in D49659 is accepted so this patch fixes them.

Reviewers: marco-c

Reviewed By: marco-c

Subscribers: dberris, delcypher, llvm-commits, #sanitizers

Differential Revision: https://reviews.llvm.org/D49721

llvm-svn: 342661