- Add gcert/gcertstatus support for chrome helper
- Skip pprof uploading for non-googlers
- Print better local results instructions for multiple chromium
  results files
- Fix docs link in --help text
- Exit silently when a keyboard interrupt ocurred

Drive-by-fix:
- format files
- sort imports

Change-Id: I88bae27102dbf3d560c4203774d9746e96fdbdc5
No-Try: True
No-CQ: True
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3878166Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83069}