narrowspec: add timing block for validating narrowspec
This was showing up in an operation I was doing today, and I'd like to
be able to get trace spans for it instead of just profiler samples.
Differential Revision: https://phab.mercurial-scm.org/D12185
adding changesets
adding manifests
adding file changes
added 1 changesets with 4 changes to 4 files
new changesets d326ae2d01ee (1 drafts)
4 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding changesets
adding manifests
adding file changes
added 1 changesets with 4 changes to 4 files
new changesets d326ae2d01ee (1 drafts)
4 files updated, 0 files merged, 0 files removed, 0 files unresolved