Run CTP tests at upload and submit time

Previously was only configured to run at commit time, this corrects the
behavior. The checks that run are dependent on whether PRESUBMIT.py ends
in `Upload`, `Commit`, or something else: https://chromium.googlesource.com/website/+/HEAD/site/developers/how-tos/depottools/presubmit-scripts/index.md#version-2

BUG=b:272285152
Test Plan=commit bad change, run `
~/chromiumos/src/repohooks/pre-upload.py --pre-submit`

Change-Id: Ia549a63b2bb7560ea16a4c20295fa6c8b290551a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/4355851
Tested-by: Jack Neus <jackneus@google.com>
Reviewed-by: Jack Neus <jackneus@google.com>
Commit-Queue: Jack Neus <jackneus@google.com>
Reviewed-by: Jaques Clapauch <jaquesc@google.com>
1 file changed