Do not detect concurrent storage in readonly mode

[lbonn]

No description provided.

[codecov-io]

Codecov Report

Merging #1229 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1229      +/-   ##
==========================================
- Coverage   79.38%   79.37%   -0.01%     
==========================================
  Files         170      170              
  Lines       10122    10123       +1     
==========================================
  Hits         8035     8035              
- Misses       2087     2088       +1

Impacted Files	Coverage Δ
src/libaktualizr/storage/sqlstorage_base.cc	78.37% <100%> (+0.14%)	⬆️
src/libaktualizr/storage/sqlstorage.cc	75.41% <0%> (-0.78%)	⬇️
src/libaktualizr/uptane/imagesrepository.cc	92.59% <0%> (-0.62%)	⬇️
src/libaktualizr/primary/sotauptaneclient.cc	92.62% <0%> (-0.31%)	⬇️
src/libaktualizr/uptane/directorrepository.cc	97.14% <0%> (ø)	⬆️
src/aktualizr_primary/secondary.cc	87.67% <0%> (+1.36%)	⬆️
src/libaktualizr/package_manager/ostreemanager.cc	77.11% <0%> (+1.69%)	⬆️
src/libaktualizr-posix/ipuptanesecondary.cc	86.66% <0%> (+4%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3c26e78...68b08db. Read the comment docs.