[profile] Fix the gcov tests after the patch in D49853 landed.

Summary:
The goal of the patch in D49853 is to display counter on the line of function definition.
So some tests need to be fixed.

Reviewers: marco-c, davidxl

Reviewed By: marco-c

Subscribers: sylvestre.ledru, delcypher, llvm-commits, #sanitizers

Differential Revision: https://reviews.llvm.org/D49854

llvm-svn: 344229