log/slog: use consistent call depth for all output
This makes all log functions keep a consistent call structure to be nice
with the handleWriter in the slog package which expects a strict level
of 4.
Fixes #67362.
Change-Id: Ib967c696074b1ca931f6656dd27ff1ec484233b8
GitHub-Last-Rev:
49bc424986875da2dd244b57f8b0851d3bfd1a29
GitHub-Pull-Request: golang/go#67645
Reviewed-on: https://go-review.googlesource.com/c/go/+/588335
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>