tree 6b1a2b2dc547768fe6dd7b6f215b1c5e30e6bd14
parent ce9bf3fa199283c568dd82a0ddddff15adcfbc84
author Mark Hansen <markhansen@google.com> 1701044150 +1100
committer Mark Hansen <markhansen@google.com> 1701044183 +1100

Fill in pprof time_nanos from profile timestamp

So when you open a profile with pprof, it gives you the time the profile
was taken:

```
$ pprof pprof.profile
...
Time: Jan 18, 2018 at 8:45pm (AEDT)
```

BUG: 202799418
Change-Id: I9953b7f42cc587af4efc95ae3ec7161b9f2173d8