[llvm-cov] Fix sources-specified.test so it ignores the order of files printed.
[llvm-cov] Fix sources-specified.test so it ignores the order of files printed.

Summary: https://reviews.llvm.org/D38884#896964

Reviewers: vsk, Dor1s

Reviewed By: Dor1s

Differential Revision: https://reviews.llvm.org/D38887

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@315691 91177308-0d34-0410-b5e6-96231b3b80d8

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