Revert "Remove uploadvalidator config"

This reverts commit 022640d617f3f81b54cc5d17587888a2c0abbc31.

Reason for revert: banned words doesn't work for webrtc

Original change's description:
> Remove uploadvalidator config
>
> Change-Id: I16c3bf5aad635b31d02d1bc99caa665a03f5e755
> Reviewed-on: https://webrtc-review.googlesource.com/c/All-Projects/+/277060
> Reviewed-by: Josip Sokcevic <sokcevic@google.com>

Change-Id: I103cd65ce7e575216c2aa54ac51db504bcf33b4c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/All-Projects/+/277300
Reviewed-by: Josip Sokcevic <sokcevic@google.com>
1 file changed
tree: c0d29670c69da070c1bc51f79a7fe957bcb27459
  1. buildbucket.config
  2. code-owners.config
  3. groups
  4. project.config