Bring output of report_sample in line with what perf on my workstation outputs:

```
$ perf --version
perf version 5.10.40
```

This makes it possible for tools (like FlameScope: https://github.com/Netflix/flamescope/blob/master/app/perf/regexp.py#L75)
that use specific regexes matching the linux-perf-tool to parse the output of this.

BUG=199202865

Change-Id: I7fca596e8c0bc70f42ca918b1f56594a3383dfa9
1 file changed