IWYU in third_party/fcp/client/opstats/pds_backed_opstats_db.cc
IWYU in third_party/fcp/client/opstats/pds_backed_opstats_db.cc

fcntl.h is required for `O_RDWR` and a few other constants used in that file.

PiperOrigin-RevId: 414005089

google/federated-compute,google/federated-compute,google/federated-compute,google/federated-compute